129+ Unique 21st Birthday Captions For Instagram-Funny Guys 2023

You are stepping into another year in your twenties and you are sure excited. You are perhaps heading to college or work. Either way, you are sure to come back with a lot of pictures you want to share. So here are some 21st birthday captions for you to browse through.

Be it a cake that you cut with a 21 candle on it, or just an adventurous trip you went on, here are unique 21st birthday captions to go with all of them for you.

Or perhaps you have two sets of pictures to share? Then, good for you. Find two captions to go with each of them for you, one for the formal cake cutting ceremony surrounded by your boss and colleagues in the office and the other for the blast you had with your friends after work.

21st Birthday Captions

21st Birthday Captions
  • 21 looks pretty and good to me
  • Wishing you love and happiness on your birthday.
  • I want to thank everyone for the special day, come and join me as I celebrate it.
  • It’s only right to party all night.
  • Cheers to another 365 days of being awesome!
  • Felt cute. Might go party all night for my birthday.
  • Hello, 21.
  • This is my year of dreams coming true.
  • People come and go but true friends always stay. Happy birthday lad.
  • Every day spent with you is a treasure. May your special day be filled with laughter and lasting memories. Happy 21st birthday.
  • Grateful for the people by my side for each birthday.
  • Birthdays are just finger posts on the road of getting old.
  • Celebrating my special day with all my faves
  • From now on you have to watch out your every move. You are at the age where you can legally get stoned and lose your money from gambling.
  • Happy birthday dear self.
  • You only turn 21 once! Seize this moment and enjoy the experience. It’s worth every moment. Happy 21st birthday son!
  • Blame it on the tequila
  • Birthdays are nature’s way of telling you to eat more cake
  • Go shawty! It’s your birthday!
  • There’s a thirst time for everything.
  • 21 looks pretty and good to me.
  • giving him the warmest wishes today.
  • Want to see my I.D.?
  • Sip sip hooray to a happy birthday
  • I learned the meaning of true friendship from you. Happy birthday my friend. Always going to be there for you.
  • Time makes you bolder
  • It was a fantastic day for a birthday! Plenty of laughter and fun had by all. You truly know how to make a girl feel so special! I can hardly wait to see what
  • Let’s get ready to party
  • I’m now one year bolder. Happy birthday to me. ??
  • It’s my 21st birthday, pass the tequila!
  • Gifts are one way of telling that I remember your birthday.
  • Go shawty, it’s your birthday.
  • Happy 21st birthday, to a truly wonderful person. Every day, you bring blessings, light, and happiness to those around you. May today be beautiful.

21st Birthday Captions For Instagram

  • Hello, 21
  • Thanks for giving me great memories that will last a lifetime. Best wishes to you on your Birthday.
  • I got that birthday vibe
  • Here’s to another 365 days of being fabulous.
  • The party don’t start till I walk in.
  • Birthday behavior! #21
  • 21 years of sass
  • adventures this year will bring!
  • And so begins Chapter 21.
  • Well, guys, it’s official. I’m old. I was online today and had to actually scroll down to find my birth year in the scrollbar. Happy birthday to me. Yippee!
  • If you wanna nail your 21st birthday, you gotta get hammered
  • R.I.P. to my fake I.D.
  • On this day, a queen was born.
  • Season 21, Episode 1.
  • Cheers to 21 years.
  • Besides my birthday candles, guess who’s going to be lit tonight?
  • Don’t worry if you can’t make it to my birthday. I’m accepting gifts all year long.
  • It’s my 21st birthday and I can wine if I want to
  • Wishing birthday to the person who is always young.
  • Staying 21 until further notice.
  • You have 21 bottles of beer to drink. I hope you already started.
  • Hugs, kisses and lots of birthday wishes!
  • 21 looks good on me.
  • Just turned 21. ID in hand. Let’s Go!
  • I have a devilish smile on my face because I’m 21 today.
  • I’m 21 and fun.
  • I’m in the pleasant position announcing you that you are able to drink and gamble from now on. Happy 21st Birthday!
  • Level up. #21
  • Celebrating this special day, with all my favs
  • Turned my birthday into a lifestyle.
  • I got that birthday glow.
  • On this day was a hottie born.
  • I have mixed drinks about turning 21
  • Hakuna ma-vodka: it means no worries on your 21st birthday
  • So this is where aging ends, right? #Forever21
  • A good friend knows all your stories; a best friend helped you write them. Write a new one tonight as we celebrate your birthday!
  • Woke up a little older… but not wiser.

21st Birthday Captions For Friend

Unique 21st Birthday Captions
  • (Legal) cheers to finally being 21!
  • Help me to wish the most awesome boyfriend in the world a beautiful and happiest event as we celebrate his 21st year of birth.
  • Now we sip champagne when we thirsty.
  • On cloud wine
  • May your troubles be as few and far between as my grandmother’s teeth. Happy Birthday!
  • I hope the birthday cake is as sweet as mine.
  • Here for cake, and cake only.
  • Hakuna Moscato: It means no worries on your 21st birthday.
  • Sassy since birth.
  • I’m not getting older. I’m getting better.
  • Drinking may not be the answer, but it’s worth a shot.
  • Amazing things happen to people born on this day. Happy B-Day to me!
  • Hold on to your inner child as you grow older.
  • Having a pitcher-perfect birthday.
  • Keep calm, ‘cause it’s my birthday / I can’t keep calm ‘cause it’s my birthday.
  • You are the sister that I never had. I love you so much, bestie. Happy birthday!
  • Every day I sparkle, but today I rule.
  • Humble, with just a hint of Kanye.
  • Just here for the birthday cake.
  • The best years of life are about to come. A little beer can help you with that, of course. Happy Birthday!
  • It’s okay to show your excitement. You’re 21 and that’s worth the excitement. Have a fun-filled birthday.
  • 21 years of being this fabulous.
  • 21 and having fun.
  • Who said getting old meant looking old?

21st Birthday Captions For Guys

  • Turning my birthday into a lifestyle.
  • Happy birthday dear self
  • I’m 21 and hot, so buy me a shot.
  • Warning: It’s my 21st birthday.
  • Hugs and kisses and a lot of birthday wishes
  • Still, your smile looks sparkling with the few remaining teeth’s that are left. Happy birthday
  • Chasing drinks and dreams
  • 21 years of being fabulous
  • Let’s get ready to party.
  • On cloud wine.
  • Twenty-one is a super important milestone birthday event. It means you have less than 80 years to hit 100.
  • Today, I just want to thank God for adding another year to my life.
  • You have been waiting for 21 years to be able to drink some alcohol. Hmmm. I know you didn’t! Happy 21st Birthday, instead!
  • Gonna party like it’s my birthday…’cause it is.
  • Turning 21 today. Accepting Lyft and Uber donations.
  • Let the birthday festivities be gin.
  • I can’t help being cute, I was born this way.
  • I.D. love a drink, thanks!
  • Just making them stop and stare, because it’s my birthday.
  • Another year, another wrinkle.
  • A golden era for your life starts from now on. Happy 21st Birthday!
  • So this is 21.
  • A year older, a year bolder.
  • I’m so glad this beautiful human continues to exist another year.
  • 21 and legal proceed with caution.

Unique 21st Birthday Captions

  • Cheers and beers to 21 years.
  • Hey Siri, count the candles.
  • At 21 everything is possible and tomorrow looks friendly
  • Who wants to see my ID?
  • No more flashing my ID. Starting today, I’m showing it in slo-mo.
  • If you wanna nail your 21st birthday, you gotta get hammered.
  • I sparkle like a birthday candle.
  • Found my birthday crown
  • keep calm and sweet 21 on.
  • I’m 21 now but age gives no guarantee on maturity
  • Studies show that people who have the most birthdays live the longest.
  • It’s your 21 birthday and its time to celebrate to the fullest
  • I feel privileged to have spent one more year of my life with you. Happy birthday!
  • Go ahead and card me.
  • The unofficial beginning of the rest of your life, 21 is the starting point that will launch you to success. Enjoy this moment!
  • I have mixed drinks about turning 21.
  • Your 21st Birthday comes along with great responsibility. You’re responsible for not getting too drunk.
  • Turning 21 today.
  • You were my cup of tea, but I drink champagne now.
  • It’s my 21st birthday, pass the booze.
  • Got that birthday vibe feeling.
  • From now on you have to watch out for your every move. You are at the age where you can legally get stoned and lose your money from gambling.
  • Here’s to another great year! May your 21st year be filled with dreams realized, friends made, and happiness aplenty. Happy birthday!
  • You just started your first year of the third decade. Phew! It has been a minute.
  • Well, guys, it’s official. I’m Old lol
  • Happy beer-th day to me.
  • It took 21 years to get this awesome.
  • 21 and legal; proceed with caution
  • Yes, I’m finally 21 years old. And yes, you can see my ID.
  • I’m not ever getting older.
  • Drinking might not be the solution, but it’s worth an attempt.
  • I hope the birthday cake is as sweet as me.
  • Yes, 21 Babbbyyyyyy….
  • Achievement unlocked: let’s drink! #21
  • Every day I sparkle, but today, I rule.
  • Finally 21 and legally able to do everything I’ve been doing since 16
  • I can’t keep calm, it’s my 21st birthday

Funny 21st Birthday Captions

  • Eating my cake and wearing it, too.
  • If you haven’t started drinking alcohol yet, don’t start now, because it’s too late. Happy Birthday!
  • You are finally legal. Congrats on your 21st birthday! Enjoy your special celebration.
  • Take risks and be brave. This is the time of your life to make the mistakes you’ll regret later. Have a fantastic 21st birthday.
  • RIP to my fake ID
  • Congratulations! Now that you’re 21, you’re off “designated driver” duty. Have a few drinks and enjoy.
  • Don’t worry about your age, you will be older next year. Happy birthday!
  • It’s your 21 birthday and its time to celebrate to the fullest.
  • Just like wine, better with time. #21
  • As lit is my birthday candles.
  • I’m just here for the birthday cake
  • Cheers to myself for surviving another year! May I have many more wonderful, crazy years ahead of me! Happy Birthday, Me!
  • Start from the bottom now I am 21.
  • 21st birthday is good beer, hot girls, party and police.
  • Why yes, you can see my ID.
  • I’m 21 and fun.
  • My day, my way. #21
  • Cheers and beers to my 21 years.
  • Twinkle, twinkle little star. Point me to the nearest bar.
  • A perfect night for a perfect boyfriend.
  • Sometimes, a sip happens on your birthday.
  • Congratulations on 21 years of awesomeness… and counting.
  • It’s my 21st. Let the partying begin!
  • Let us celebrate the occasion with wine and sweet words.
  • Come on Barbie, let’s go party.
  • POV: You can’t believe I’m 21 now.
  • 21 and ready for fun.
  • I’m shawty and it’s my birthday. #21
  • Tossing the fake ID today. YEET
  • Finally legal. Proceed with caution.
  • There’s a thirst time for everything
  • I’m just here for the birthday cake.
  • Tonight, I’m only chasing drinks and dreams.

21st Birthday Captions For Boyfriend

  • 21 and oh so fun.
  • Yes, I become 21.
  • I’m wearing the smile my birthday gave me.
  • Chapter 21, Page 1.
  • It’s my 21st… I’ll wine if I want to.
  • Favorite day of the year. #21
  • Thanks to everyone who took the time to wish me a Happy Birthday!
  • It’s my birthday, but first, let me take a selfie.
  • It’s my 21st birthday, and I can wine if I want to.
  • Go shawty, it’s your birthday.
  • On this day, a queen was born
  • Best. Birthday. Ever!
  • My age is not just a number. It’s my experience on planet Earth.
  • I hope my cake is as sweet as me.
  • I can’t keep calm, it’s my birthday.
  • Fabulosity has no age.
  • Let the celebrations be gin.
  • Lap 21 around the sun…
  • Go ahead, card me
  • Thank you, Mom, for giving birth to this wonderful child.
  • It’s only right to party all night
  • 21 – time to make some pour decisions.
  • Cheers and beers to 21 years
  • Live your life and forget your age.
  • I doubt tequila is the answer, but it’s worth a shot.
  • This is what leveling up looks like.
  • Hear ye, hear ya, the birthday queen has arrived.
  • Birthday, instead!
  • Every day with you is one great celebration and filled only with beautiful moments. I love you baby. Happy Birthday!

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