Idioms are fun phrases that mean something different from the literal words you say. People use them every day to make talking and writing much more colorful and exciting. In this lesson, you will learn a wonderful collection of idioms related to children, youth, and growing up.
In this lesson, we’ll look at idioms for children that mean young age, playful behavior, and family life. Let’s get started and explore some of these helpful expressions.
Idioms for Children
1. Bundle of joy
Meaning: This idiom refers to a newborn baby or a very happy child who brings delight to a family.
For Example: The proud parents brought their new bundle of joy home from the hospital. / Everyone smiled when they saw the little bundle of joy sleeping in the crib.
Other Ways to Say: Newborn baby / Happy infant
2. Apple of my eye
Meaning: This idiom describes someone who is deeply cherished and loved more than anyone else.
For Example: Little Maya was the apple of her grandfather’s eye, and he loved reading to her. / The youngest child in the family is always the apple of everyone’s eye.
Other Ways to Say: Favorite person / Treasured child
3. Chip off the old block
Meaning: This idiom means a child who looks or acts very similar to one of their parents.
For Example: Tommy loves building toy cars just like his dad; he is a real chip off the old block. / Everyone said she was a chip off the old block because she loved painting.
Other Ways to Say: Just like mom or dad / Family copy
4. Full of beans
Meaning: This idiom describes a child who has an incredible amount of energy and excitement.
For Example: After eating a snack, the kids were full of beans and ran around the yard. / He woke up full of beans and ready to play soccer all morning.
Other Ways to Say: Very energetic / Hyper and lively
5. Children should be seen and not heard
Meaning: This idiom means children should behave quietly and politely in adult company.
For Example: In the old days, adults believed that children should be seen and not heard at dinner. / Modern families encourage kids to share ideas instead of keeping them seen and not heard.
Other Ways to Say: Keep quiet / Be well-behaved
6. Babes in the woods
Meaning: This idiom refers to people, especially young children, who are innocent and inexperienced.
For Example: On their first day at middle school, the new students felt like absolute babes in the woods. / We were just babes in the woods when we tried camping alone for the first time.
Other Ways to Say: Innocent beginners / Inexperienced kids
7. Act up
Meaning: This idiom means behaving badly, causing trouble, or crying out of frustration.
For Example: The tired toddler started to act up in the grocery store aisle. / If you act up during class, you will miss recess time.
Other Ways to Say: Misbehave / Cause trouble
8. Raising Cain
Meaning: This idiom means making a lot of noise, causing a disturbance, or playing wildly.
For Example: The puppies in the backyard were raising Cain while chasing each other. / The kids were raising Cain in the playroom until mom told them to quiet down.
Other Ways to Say: Causing a ruckus / Making noise
9. Knee-high to a grasshopper
Meaning: This idiom describes someone who is very short, usually referring to when they were a little kid.
For Example: I have known my best friend since we were knee-high to a grasshopper. / Grandpa laughed remembering when dad was just knee-high to a grasshopper.
Other Ways to Say: Very small / Little child
10. Play hooky
Meaning: This idiom means staying away from school or duties without permission.
For Example: The mischievous kids thought about playing hooky to go fishing at the lake. / You cannot play hooky from your chores if you want to watch television.
Other Ways to Say: Skip school / Run away from duties
11. Teacher’s pet
Meaning: This idiom refers to a student who is favored by the teacher for good behavior or work.
For Example: He always raised his hand first so he would not look like the teacher’s pet. / She brought an apple to class and joked about being the teacher’s pet.
Other Ways to Say: Favorite student / Teacher’s choice
12. Copycat
Meaning: This idiom describes someone who imitates what another person says or does.
For Example: Stop being a copycat and draw your own picture instead of mine! / Little brothers love being a copycat when playing with their older siblings.
Other Ways to Say: Mimic / Imitator
13. Play tag
Meaning: This idiom means running around playfully while taking turns chasing each other.
For Example: During recess, all the kids love to play tag on the grassy field. / We decided to play tag before the school bell rang for class.
Other Ways to Say: Chase game / Running sport
14. Golden child
Meaning: This idiom refers to a child who is viewed as exceptionally successful or favored.
For Example: He felt pressure to be the golden child of the family by getting straight A grades. / She always worked hard so she would not lose her spot as the golden child.
Other Ways to Say: Star child / Favored youth
15. Run wild
Meaning: This idiom means behaving freely without any strict rules or supervision.
For Example: The kids let their imaginations run wild while building a castle out of blocks. / During summer vacation, we love to run wild in the backyard.
Other Ways to Say: Be free / Act unrestrained
16. Mother hen
Meaning: This idiom describes someone, like an older sibling or parent, who looks after children overprotectively.
For Example: My big sister acted like a mother hen when we crossed the busy street. / She is always a mother hen when her younger cousins visit the park.
Other Ways to Say: Overprotective guide / Watchful guardian
17. Boys will be boys
Meaning: This idiom means that young boys will naturally act rowdy, messy, or mischievous.
For Example: After tracking mud on the clean floor, dad just sighed and said boys will be boys. / They got scrapes on their knees playing football, but boys will be boys.
Other Ways to Say: Natural rowdiness / Kids being kids
18. Wild child
Meaning: This idiom refers to an energetic, adventurous, and rebellious kid who loves excitement.
For Example: My little brother is a wild child who climbs every tree in the neighborhood. / She was a bit of a wild child when she was learning to ride skateboards.
Other Ways to Say: Adventurous kid / Spirited youngster
19. Teacher’s helper
Meaning: This idiom describes a polite child who assists the instructor with classroom tasks.
For Example: She was chosen to be the teacher’s helper and handed out papers to everyone. / Being a teacher’s helper means keeping the crayons organized.
Other Ways to Say: Classroom assistant / Student helper
20. Playground bully
Meaning: This idiom refers to a child who picks on or teases others during recess.
For Example: The playground bully took the soccer ball away from the younger kids. / Teachers stepped in quickly to stop the playground bully from bothering anyone.
Other Ways to Say: School tormentor / Mean kid
21. Teacher’s nightmare
Meaning: This idiom describes a student who is very loud, disruptive, and hard to manage.
For Example: Sitting next to the talking twins made him feel like a teacher’s nightmare. / The substitute teacher was not ready for such a teacher’s nightmare of a class.
Other Ways to Say: Disruptive student / Hard-to-handle kid
22. Class clown
Meaning: This idiom refers to a student who makes silly jokes to make everyone laugh.
For Example: He loved being the class clown and telling funny stories at lunch. / The teacher asked the class clown to focus on his math worksheet.
Other Ways to Say: School comedian / Jokester
23. Teacher’s darling
Meaning: This idiom describes a student who is exceptionally sweet and well-liked by instructors.
For Example: She turned in her homework early and was the teacher’s darling. / Everyone knew he was the teacher’s darling because of his polite manners.
Other Ways to Say: Teacher’s favorite / Sweet student
24. Prodigy child
Meaning: This idiom refers to a young person who has extraordinary talent or intelligence.
For Example: The young piano player was a true prodigy child who amazed the audience. / Solving complex math puzzles easily made her look like a prodigy child.
Other Ways to Say: Gifted youth / Talented kid
25. Teacher’s favorite target
Meaning: This idiom describes a student who gets corrected or watched closely by the instructor.
For Example: Because he forgot his pencil often, he felt like the teacher’s favorite target. / Stop talking or you will become the teacher’s favorite target for questions.
Other Ways to Say: Watched student / Frequent target
26. Play nice
Meaning: This idiom means sharing, cooperating, and treating other children with kindness.
For Example: Mom reminded us to play nice with our cousins visiting for the holiday. / The teacher told the kids to play nice and share the building blocks.
Other Ways to Say: Be kind / Share well
27. Show and tell
Meaning: This idiom refers to a fun school activity where children present a special item from home.
For Example: I brought my favorite toy dinosaur to school for show and tell today. / Everyone listened quietly during show and tell while she described her shell.
Other Ways to Say: Presentation time / Sharing hour
28. Teacher’s assistant
Meaning: This idiom describes a student who helps the teacher clean up or organize supplies.
For Example: He volunteered to be the teacher’s assistant and watered the classroom plants. / Being the teacher’s assistant is a fun way to earn extra praise.
Other Ways to Say: Student aide / Classroom helper
29. Teacher’s pest
Meaning: This idiom refers to a child who constantly bothers the instructor with silly questions.
For Example: He acted like a teacher’s pest by asking if snack time was ready every five minutes. / Stop being a teacher’s pest and let the instructor finish talking.
Other Ways to Say: Annoying student / Constant questioner
30. Teacher’s pet peeve
Meaning: This idiom describes a student habit that instantly annoys the classroom teacher.
For Example: Chewing gum in class was the teacher’s pet peeve when talking. / Leaving backpack straps unzipped became the teacher’s pet peeve.
Other Ways to Say: Classroom annoyance / Teacher’s irritation
31. Child’s play
Meaning: This idiom means something that is extremely easy to do or accomplish.
For Example: Putting together that simple puzzle was child’s play for my older brother. / Solving basic addition problems felt like child’s play after learning fractions.
Other Ways to Say: Very easy task / A snap
32. With child-like wonder
Meaning: This idiom describes looking at the world with amazement, innocence, and joy.
For Example: The little girl stared at the magical holiday lights with child-like wonder. / He watched the fireworks display with pure child-like wonder.
Other Ways to Say: Innocent amazement / Joyful viewing
33. Spoiled brat
Meaning: This idiom refers to a child who demands everything and throws tantrums when denied.
For Example: The crying child acted like a spoiled brat when he did not get candy. / Parents try hard to make sure their kids do not turn into a spoiled brat.
Other Ways to Say: Demanding child / Entitled kid
34. Whiz kid
Meaning: This idiom describes a very smart, clever child who excels at computers, math, or science.
For Example: My little brother is a computer whiz kid who fixed our broken internet. / She became a math whiz kid by winning the school competition.
Other Ways to Say: Smart youth / Clever child
35. Teacher’s pet project
Meaning: This idiom refers to a special student activity that the instructor loves organizing.
For Example: The classroom garden project was the teacher’s pet project this spring. / Building paper airplanes became the teacher’s pet project for science class.
Other Ways to Say: Favorite assignment / Special school activity
36. Teacher’s pet peeve list
Meaning: This idiom describes the rules that teachers hate having students break.
For Example: Running in the hallway was right at the top of the teacher’s pet peeve list. / Talking during quiet reading time made the teacher’s pet peeve list.
Other Ways to Say: Rules to avoid / Classroom no-nos
37. Playground hero
Meaning: This idiom refers to a child who helps someone or does something brave at recess.
For Example: He became a playground hero after finding the lost puppy near the fence. / Saving the dropped lunch tray made her the playground hero of the day.
Other Ways to Say: School champion / Brave kid
38. Teacher’s pet substitute
Meaning: This idiom describes a child who tries to take over leadership when the teacher leaves.
For Example: He acted like a teacher’s pet substitute while the instructor stepped outside. / Do not try to be a teacher’s pet substitute and boss your friends around.
Other Ways to Say: Self-appointed leader / Bossy student
39. Teacher’s pet award
Meaning: This idiom jokingly refers to special praise given to the most obedient student.
For Example: She won an imaginary teacher’s pet award for organizing the art supplies. / Cleaning up all the spilled paint earned him a playful teacher’s pet award.
Other Ways to Say: Good behavior prize / Obedience ribbon
40. Teacher’s pet club
Meaning: This idiom refers to a friendly group of students who always follow the rules.
For Example: The kids who lined up quietly first thing in the morning joined the teacher’s pet club. / She joked that she was the only member left in the teacher’s pet club.
Other Ways to Say: Obedient group / Good student circle
41. Teacher’s pet secret
Meaning: This idiom describes a hidden trick or shortcut that favorite students use to get good grades.
For Example: Knowing how to format margins was a little teacher’s pet secret. / He shared the teacher’s pet secret about where extra art supplies lived.
Other Ways to Say: Classroom trick / Student shortcut
42. Playground legend
Meaning: This idiom refers to a child famous for an amazing sports feat or funny story at school.
For Example: Scoring a goal from across the field made him a playground legend. / Her epic game of kickball turned her into a true playground legend.
Other Ways to Say: School famous kid / Recess icon
43. Playground politics
Meaning: This idiom describes the complicated friendships and rules kids navigate during recess.
For Example: Deciding who gets to play on the swing set involves tricky playground politics. / She learned how to handle playground politics by sharing her jump rope.
Other Ways to Say: Recess drama / Kids’ social rules
44. Playground chatter
Meaning: This idiom refers to the rumors or gossiping that kids share on the school yard.
For Example: The playground chatter was all about who won the science fair ribbon. / Do not listen to playground chatter; check the facts yourself.
Other Ways to Say: School gossip / Recess talk
45. Playground games
Meaning: This idiom describes fun outdoor activities played by children during a break.
For Example: Tag and hide-and-seek are classic playground games enjoyed by everyone. / We invented new playground games using chalk on the pavement.
Other Ways to Say: Recess sports / Outdoor activities
46. Playground rules
Meaning: This idiom refers to the safety guidelines kids must follow outside during recess.
For Example: Sliding down feet first is one of the most important playground rules. / Breaking playground rules means sitting on the bench for ten minutes.
Other Ways to Say: Recess guidelines / School safety laws
47. Playground memories
Meaning: This idiom describes happy childhood recollections of playing outside with friends.
For Example: Building sandcastles together created wonderful playground memories for years. / Looking at old school photos brought back sweet playground memories.
Other Ways to Say: Childhood recollections / Recess memories
48. Playground equipment
Meaning: This idiom refers to the swings, slides, and climbing bars found at a school park.
For Example: The city updated all the rusty playground equipment in our neighborhood park. / Playing safely on the playground equipment is very important.
Other Ways to Say: Park structures / Recess toys
49. Playground rivalry
Meaning: This idiom describes a friendly competition or sports contest between groups of children.
For Example: The soccer match between fourth and fifth graders sparked a huge playground rivalry. / Their playground rivalry in basketball lasted the entire school year.
Other Ways to Say: Recess competition / Kids’ rivalry
50. Playground fun
Meaning: This idiom refers to the joyful and relaxing time kids spend playing outside.
For Example: Nothing beats the sound of laughter during afternoon playground fun. / We finished our homework quickly to make room for playground fun.
Other Ways to Say: Recess joy / Outdoor happiness
51. Playground safety
Meaning: This idiom describes making sure children do not get hurt while playing outdoors.
For Example: Teachers monitor the yard closely to ensure proper playground safety for everyone. / Learning playground safety helps prevent scraped knees and bumps.
Other Ways to Say: Recess protection / Outdoor care
52. Playground crowd
Meaning: This idiom refers to a group of children who hang out together during recess.
For Example: He joined the playground crowd playing kickball near the slide. / The noisy playground crowd gathered around the tetherball pole.
Other Ways to Say: Recess group / Kids’ circle
53. Playground antics
Meaning: This idiom describes the funny, silly, or playful behavior of kids outside.
For Example: We watched the puppies and the kids’ playground antics with a smile. / His funny playground antics made all his classmates laugh out loud.
Other Ways to Say: Silly behavior / Recess jokes
54. Playground chatterbox
Meaning: This idiom refers to a child who talks constantly while playing with others.
For Example: She was the playground chatterbox who told stories during jump rope. / Being a playground chatterbox means you always have something fun to say.
Other Ways to Say: Talkative kid / Chatty student
55. Playground explorer
Meaning: This idiom describes a child who loves discovering new hidden spots around the school yard.
For Example: He acted like a playground explorer searching for hidden bugs in the grass. / Our little playground explorer found a shiny marble near the fence.
Other Ways to Say: Outdoor adventurer / Recess seeker
56. Playground race
Meaning: This idiom refers to a friendly running competition held during recess.
For Example: Everyone cheered during the exciting playground race across the turf. / Winning the playground race made her feel like a fast athlete.
Other Ways to Say: Recess sprint / Kids’ running contest
57. Playground artist
Meaning: This idiom describes a child who loves drawing colorful pictures with chalk on the pavement.
For Example: She was the resident playground artist decorating the sidewalk with rainbows. / Using colorful chalk made him feel like a true playground artist.
Other Ways to Say: Sidewalk drawer / Recess creator
58. Playground builderသမ
Meaning: This idiom refers to a child who loves constructing tall towers out of sand or blocks.
For Example: He acted as the head playground builder for our giant sandbox castle. / The little playground builder stacked blocks higher than his head.
Other Ways to Say: Sandbox architect / Kids’ constructor
59. Playground leader
Meaning: This idiom describes a child who organizes games and includes everyone at recess.
For Example: She acted as a wonderful playground leader by inviting new kids to play. / Every great game of kickball needs a fair playground leader.
Other Ways to Say: Recess captain / Kids’ guide
60. Playground cheer
Meaning: This idiom refers to the happy sounds of laughing and playing children outside.
For Example: The afternoon air was filled with sweet playground cheer and laughter. / Hearing the playground cheer made everyone smile inside the classroom.
Other Ways to Say: Recess joy / Kids’ happiness
Exercise to Practice
- The proud parents brought their new ________ home from the hospital.
- Little Maya was the ________ of her grandfather’s eye, and he loved reading to her.
- Tommy loves building toy cars just like his dad; he is a real ________.
- After eating a snack, the kids were ________ and ran around the yard.
- On their first day at middle school, the new students felt like absolute ________.
- The tired toddler started to ________ in the grocery store aisle.
- He always raised his hand first so he would not look like the ________.
- Stop being a ________ and draw your own picture instead of mine!
- During recess, all the kids love to ________ on the grassy field.
- Putting together that simple puzzle was ________ for my older brother.
- The little girl stared at the magical holiday lights with ________.
- My little brother is a computer ________ who fixed our broken internet.
- Sliding down feet first is one of the most important ________.
- Nothing beats the sound of laughter during afternoon ________.
- She acted as a wonderful ________ by inviting new kids to play.
Answer Key
- bundle of joy
- apple
- chip off the old block
- full of beans
- babes in the woods
- act up
- teacher’s pet
- copycat
- play tag
- child’s play
- child-like wonder
- whiz kid
- playground rules
- playground fun
- playground leader
Conclusion
Learning these idioms about children and growing up makes understanding everyday language much more fun and engaging. When you use these cool expressions, you can share stories in a creative and colorful way. Try using some of these phrases when chatting with friends or writing stories at school. You will sound like a true language expert while making your conversations lively!
