Your birthday is a perfect time to express your thoughts and feelings through Instagram posts. Through one picture you can share all your emotions with your friends and family. So, there are lots of ways to create beautiful quotes that you can use to share happiness on the occasion of birthdays. You can add a little bit of humor by using funny 21st birthday Instagram captions to make it handsomely attractive for your followers.
Funny 21st Birthday Instagram Captions
- Sorry, my 21st birthday has no chill.
- 21st Birthday: it is time to gain weight, drink alcohol and be an adult. Happy Birthday!
- Happy (legal) drinking age to me. It’s the first day of the rest of my hangovers!
- It’s finally legal for me to act like a kid again.
- I haven’t had a drink since my 21st birthday. I seem to have lost it.
- Looking forward to embarrassing my kids with this picture in the future.
- On your 21st birthday, I just want to tell you one thing: if voting made any difference, they wouldn’t let us do it.
- Excuse me while I go to the liquor store and buy a bottle of you.
- not a big fan of the party scene. I don’t enjoy being around a bunch of drunks and a stripper tonight, but you only turn 21 once!
- 21! Congratulations, you have the right to a drink
- Hope your 21st birthday is as awesome as yours. Cheers to it!
- What happens when you turn 21? You earn the right to tell your parents how to live their lives. Happy birthday!
- Behind every 21-year-old girl is a 21-year-old bottle of wine saying, “You don’t need to think that hard, just drink me!”
- turning 21 is a huge milestone—and it deserves to be celebrated! you’re officially old enough to enjoy one of the finer things in life, wine. so go ahead, have a glass while wearing a tiara, and sash at everyone’s expense.
- I’m not 21, I’m 18 with three years of experience.
- As I always say: Life is short, smile while you still have teeth.
- Turning 21 is a great excuse for cake. 🎂
- I don’t know if you know this, but I turned 21 and that’s legal to drink.
- The keys to the kingdom of adulthood have officially been handed over to me. 🙌
- Ah, 21. The perfect age to be able to drink alcohol AND rent a car.
- It’s finally legal for me to do all the things I’ve been doing since I was 16.
- 21 years old: the only time being young and dumb is cool, so live it up!
- Just wait until I turn 22, the fun starts then.
- Finally, an age where I can legally do all the horrible things I’ve been doing since 15.
- It tastes like 21, so let’s cheers to that.
- It took me 21 years to look this good.
- Wishing you a happy birthday that rocks as hard as my 21st.
- 21 years of experience being 21!
- I’m not 21. It’s my first day as a 21-year-old.
- This is my first adult birthday. I’m getting excited to go home right after.
- I’m not 21… I’m 18 with 3 years of experience
- I bet when you turned 21, you didn’t expect to still be living with your parents.
- You know you’re getting old when the candles on your birthday cake start costing more than the cake itself.
- 21 and legal, ready to buy my alcohol, get my bar tab.
- I know you only have one wish tonight and it’s to look as good as me 🍾
- Finally, I can legally do all the things my parents told me to do. Cheers!
- Now that we’re legal, let’s get more illegal. #21
- Happy 21st birthday! It’s time to wine a little, whine a lot, and order everything on the menu.
- 21 isn’t so scary when you realize that your age can finally match the amount of wine you can consume.
- Why is 21 special? Well, it’s the only age that you look forward to being able to say you are, and then when you get there, you wish you were younger. Happy Birthday!
- You know you’re old when you only drink wine on special occasions OR “Drink until she is cute.”
- Cheers to 21 years! I’m finally legal (even though we both know it doesn’t mean much).
- 21 years ago I made my first best friend. Happy birthday to the only person I would want as my getaway driver.
- Since it’s my birthday and I can get away with anything I want, don’t be surprised if you wake up in the morning to a series of selfies on your phone.
- The first step to adulthood: Drinking responsibly #not
- I’m 21. I’m legal. And I’m tired.
- Happy 21st birthday, boo! Remember that all the world’s a stage, and you’re about to be legally allowed on it.
- Happy 21st birthday to the best friend I’ve known for 21 years.
- For my 21st birthday, I got wasted.
- 21 and legally able to drink after the age of 18!
- 21 is a big deal! So try to be as mature and responsible as you can.
- Sorry for what I said when I wasn’t 21.
- The only thing you should be drinking on your 21st birthday is one glass of water for each shot.
- 21 is a fun age. I know it’s not legal, but that’s just a number.
- Your 21st birthday is not a happy one unless you have a hangover.
- Turning 21 means drinking legally and that’s all I’ve ever wanted in life.
- Grow up and be a grown-up… tomorrow. 😎
- Happy birthday to me, happy birthday to me. Time to get lit like a birthday cake candle.
- 21 is the year I start being responsible for my alcohol consumption, not the year I stop.
- 21 is the age of responsibility, which I’ve yet to master.
- I’m 21 now, so I don’t eat food. I just drink wine
- As I go through my 21st Birthday, I feel you get more attractive and attractive. Happy 21st Birthday!
- 21 is not just a number. It’s the number of shots you can handle before your 21st birthday cake falls on the floor.
- Happy 21st Birthday! Time to show us your ID.
- Wishing the happiest birthday to my partner in wine 🍷 Happy 21st, bestie!
- So, this is the beginning of forever. #Turning21
- I’m 21 today, and even though I can legally buy alcohol, I’ll probably just take a nap instead.
- Sorry if I get a little too excited when I see you but hey, I can’t help it. Forgive me, thank you and yes, I love you 💖
- 21 years old, and the party has only just begun!
- 21 years old. Officially old enough to rent a car, but also still lose it at Chuck E Cheese when the animatronics come on.
- Today, you are 21. Tomorrow, fear and uncertainty.
- Happy 21st birthday! It’s time to party like you’re turning 19.
- I am so proud of how far you have come. You are 21 years old now. Happy 21st Birthday!
- Happy 21st birthday to me, myself, and I!
- 21 reasons why you deserve to have a drink today
- If you haven’t already noticed, it’s time to put down your copy of Catcher in the Rye and pick up 50 Shades of Grey. Happy 21st!
- It took me 21 years to become an overnight success.
- Can’t think of anything funny for your 21st birthday caption? Just make a dad joke.
- Got my 21st birthday sash and tiara on — this is NOT what I expected adulting to be like
- Cheers to my first legal 21 years!
- You know you’re 21 when you go to Taco Bell and ask for wine.
- To have a 21st birthday is to go from being a boy to becoming a man. Happy birthday, my dearest son.
- “It takes only 21 days to create a new habit. So in honor of your 21st, let’s start a new tradition and go out for drinks every night for the next few weeks! Happy birthday!”
- It’s my 21st birthday and yeah I know it’s not legal to drink but hey, that won’t stop me from partying.
- Turning 21 is like taking a shower. You waited too long.
- Today is my 21st birthday and my fun is legal. Time to start getting ready for the weekly police lineup.
- It’s my birthday and I’ll drink if I want to.
- Remember what it was like to be 21? 😉
- 21, the first legal chance to show your ID and have someone say “I never would have guessed”.
- Happy birthday to me, happy birthday to me, happy birthday dear me, happy birthday to me.
- Wishing you a 21st birthday filled with as many happy moments as there are balloons on this cake!
- You’re now old enough to legally do what we’ve been telling you not to do all these years. Happy 21st!
- You’re not 21 until you’ve had your first underage drink.
- It’s my 21st birthday and I’m feeling so legal.
- Yes, I’m legal. (Now hand me a drink.) Happy birthday to me!
- Don’t worry, I’m cool with being 21. It just means that I’m legally allowed to say “I’m too drunk” when people ask me how old I am now!
- You may be legal now but you will never outgrow the label of “child” to your parents. Happy Birthday my baby.
- I’m 21 today! This means I can finally do all the things I wasn’t allowed to do at 20
- Tonight, we’re getting 21 flavors of ice cream and making 21 bad decisions.
- 21 years of age and no idea how to adult.
- I’ve been waiting 21 years for someone to look at me like that…
- Now to get me out of the same rut I’ve been in the past 21 years
- Happy 21st Birthday! Old enough to know better. Too young to care.
- When you’re 21, you realize that it’s legal to drink champagne every night of the week. Lucky us!
- Happy Birthday! Welcome to the party, you have officially entered adulthood.
- They said 21 was the magical age where you finally look your age. I’m still waiting for that moment.
- This is 21 and I’m legally trying to drink the pain of 2006 away, who’s with me?
- 21 years ago, a queen was born. Happy birthday to me!
- It only took you 21 years to get where you are today. Congratulations!
- Don’t worry about the consequences tomorrow. The older you get, the less you care.
- Fun fact: I’ve only consumed the recommended daily allowance of adult beverages once, and that was on my 21st birthday.
- Happy birthday to me! So excited for another year of adulting—it’s been exactly five minutes, and I’m already killing it 🎉 🎈 🎁
- Happy birthday to you! Happy birthday to you! Happy birthday, dear [name of person]! Happy birthday to you! 💃🏼
- Aren’t you technically not 21 until tomorrow?
- I’ve only had one beer and I’m feeling 21 again.
- Here’s to freedom and being too young to know better!
- Another year, another new set of rules for me to break.
- Today you are 21, but tomorrow you will be 22.
- Birthday brunch with my besties, delicious cake, and bottomless mimosas.
- Happy 21st Birthday! You’re now legally allowed to do everything you’ve been doing since you were 16 😉
- You’re finally old enough to be disappointed in the next generation. Happy birthday!
- I’m turning 21 and feelin’ fine!
- I just turned 21, so I am eligible to consume my weight in wine, cake, and cheese.
- You are now old enough to know better, but still young enough to get away with it.”
- That moment when you realize you can legally do all the things your parents warned you about 😉#21
- It took you 21 years to become this classy—finally!
- 21 things to do on your 21st birthday
- Wishing you a happy 21st birthday, may you have an amazing time on your special day!
- It took you 21 years to figure out how expensive drinks are. Happy 21st birthday, enjoy being legal!
- Happy Birthday to someone who is young at heart and can still tell the best stories from college.
- You know you’re getting old when you walk past a drugstore and the security guard wishes you a happy birthday.
- It’s OK to have a drink for breakfast when it turns midnight.
- Tonight, I’m 21 But tomorrow, I’ll be 22!
- 21, 21, 21 I’ve only been 21 for like five minutes and I don’t wanna be an adult
- 21: The age when you finally realize that you can’t escape your problems anymore by moving back to your parents’ house.
- Happy 21st birthday! You now have the legal right to make bad decisions.
- Hip hip hooray! Your 21st birthday is finally here. I’d like to wish you all the good things in life and hope your day is filled with fun and love. Happy birthday!
- Happy 21st birthday – how many years do you plan on drinking for?
- Being 21 is way more fun than being legal 😉
- Happy Birthday to this beautiful, funny, kind person who will now be legally allowed to make bad decisions in the company of adults.
- The fun begins as soon as you turn 21.
- To my 21-year-old self, Congrats! You made it to the drinking age. I promise you’ll be fine tomorrow.
- I can’t keep calm because I’m officially 21!
- I can’t believe I’m 21 today. I’m an adult now. (Well, not really.)
- 21 … and I thought it was a big deal to turn 18 🎈
- Happy Birthday! You’re now old enough to do everything I told you not to do when you were younger. Have fun!
- Sweet 21, you’ve never looked better. Cheers to a year of fun and new adventures.
- Oh my, 21 it’s a fun age. I just have one piece of advice, don’t be in a hurry to grow up!
- I’m not 21, I’m 18 with 3 years of experience.
- When you turn 21 you’re finally old enough to do all the things that make you feel young. 🍻
- Happy 21st Birthday! Grab a glass, it’s time to drink!
- I’m turning 21. Which makes me a responsible adult that can legally drink wine and pretend it’s for cooking purposes. 😂
- Happy 21st birthday to my favorite drinking buddy😘 makes this day special…
- I can’t keep calm, it’s my 21st birthday!
- Happy 21st! Have a great night, but please don’t do anything that I wouldn’t do.
- I’m gonna party like it’s my 21st birthday.
- Now that you’re 21, the only time you should be drinking anything out of a red plastic cup is when you have hiccups.
- Wish you a very happy birthday! Have fun and celebrate your day.
- No, I’m not drunk. I’m just 21.
- “Cheers to 21 years!” “I’m 21 today and I swear I was just 18…” “The 21st birthday, the birth of legends.”
- Please don’t let this 21st birthday be the start of my adult years. I might not make it.
- Thanks for all the birthday wishes. To my mom, thanks for not wishing me a happy birthday on Facebook.
- Happy Birthday to me. Happy Birthday to me. I smell like a distillery and it’s time to party.
- And just like that, I turned into an adult. Happy birthday to me!
- We’re going to a party like it’s my birthday… because it is!
- Sorry, it took me 21 years to realize you were my best friend.
- Turning 21 is not about being an adult, it’s all about being 21.
- Happy 21st birthday to this amazing human being 🎉 🎂
- I turned 21 in style. I hope my 22nd is just as good now that 21 is legal 😉
- Happy 21st, sweet friend! Wishing you all your best year yet.
- Time to party because I’m finally 21. Time to drink because I’m finally 21.
- 21 is like A GOOD YEAR!
- 21 and already feeling 21 different types of ways.
- Where oh where do I begin? On this day, 21 years ago, you were brought into the world. And we’ve never been the same.
- I’ve been on 21 years of research and the results are in: I’m fabulous.
- No longer a teen. Not yet an adult. The age of surrendering a fake ID. Happy 21st Birthday
- Wish you a year full of fun, adventures, and mischief. Wishing you a-rockin’ 21st birthday!
- I can’t keep calm…it’s my 21st birthday!
- Happy birthday to my best friend, who is better at being 21 than I ever
- When you’re 21, you want to be 22- when you’re 22, you want to be 18. Happy birthday!
- Congrats, you are now officially old enough to no longer worry about what other people think of you 😉
- I’m pretty sure I’m the most awesome 21-year-old that I know. Happy birthday to me!
- Being 21 has its perks, but I can’t remember any of them.
- We may be adults now, but that doesn’t mean we have to grow up.
- May your birthday be as happy as you make me.
- We were planning to come up with some funny 21st birthday Instagram captions, but we got too drunk and forgot
- You’re not 21 yet, but you can still legally drink—from a straw! Happy 21st birthday!
- It’s a really big deal to finally be 21—especially since you can now enjoy all your favorite drinks in the daytime!
- Fewer accidents, more music, and a lot more wine. Happy 21st birthday!
- I couldn’t have asked for a better 21 years. 😜
- Life begins at 21, but so do those pesky adult responsibilities.
- 21 years old: still too young to drink, old enough to know better. Cheers to my first legal drink!
- You don’t need to be 21 to drink, you can do that all your lifetime 😜
- 21 years and ________! Now, let’s get drunk!
- Hair of the dog that bit ya. I’m 21 now. It’s time to party!
- Have a drink but please don’t drink and drive.
- 21 years old? 😯 You’ve got to kitten me right meow! 🐈
- Today is going to be a great day and here’s why… it’s my birthday! 🥂
- I can finally drink legally.
- If you can find a way to balance being an adult while also not being entirely serious, you’ve got it almost made. Happy 21st Birthday!
- “Happy 21st birthday, you’re officially old.”
- Another year older, another excuse to get wasted!
- Happy 21st birthday to me! I’m finally legal!
- Happy Birthday! 🎂 hope it’s a great one. #21
- 21 is when you realize you’re old. Happy birthday, kid!
- 21 years, 21 shots: Do I need to explain this one?
- 21 and still holding onto my ID like…
- 21 years from now, I hope we stay this close.
- Cheers to being 21, feeling 14, and acting 3. Let’s party!
- Boom! Another candle on the 🎂 birthday cake.
- 21 is our favorite number because it’s the number of drinks you can legally enjoy 🍻🥂
- It’s my 21st birthday and all I got was this stupid hangover.
- To the world, you may be one year older, but to me, you’re still just my little brother.
- 21 and still glowing under the black lights.