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100 Happy 40th Birthday Captions and Puns

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Turning 40? Well that is definitely a milestone to celebrate! And then when you are ready to post about your birthday you will need to find the best 40th birthday captions. Check out these funny, short, cute, clever and selfie captions for turning 40.  

Whether it’s your own birthday or a friend’s, these 40th birthday Instagram captions can help, especially if you’re at a loss for words.

You might also like our lists of 40th Birthday Quotes, 40th Birthday WishesFunny Birthday CaptionsFunny Birthday WishesFunny Belated Birthday Wishes and Funny Birthday Quotes.

Jump ahead to the category you like best or scroll through to find the best 40th birthday captions.

Happy 40th Birthday Captions

Check out some of our favorite 40th birthday captions.

  • Talk forty to me.
  • Ready to start a new decade of adventures.
  • Hello, 40.
  • Be good to me, 40.
  • Cheers and beers to 40 years.
  • Achievement unlocked: let’s drink! #40
  • To my 30s: ‘Thank u, next’.
  • Woke up 40 and thriving.
  • It’s my 40th… I’ll wine if I want to.
  • Start from the bottom now I am 40.
  • Turning 40 is nothing to wine about.
  • Leaping into my 40’s
Person jumping with happy 40th birthday captions
  • I have mixed drinks about turning 40.
  • These beauties are the only gift I need. #40
  • Chapter 40. Time to make some memories.
  • Wouldn’t trade it for the world, I’m 40 now.
  • I’m 40 now but age gives no guarantee on maturity.
  • 40 40 40 40 I feel like 40.
  • Woke up a little older… but not wiser.
  • O.K., you know that what happens at the 40th B-Day, stays at the 40th B-Day.
Person walking on beach with 39th birthday Instagram captions
  • 40 is the age of responsibility. Give it a few months and you will be wondering why you were in such a hurry to get here.
  • 40 – time to make some pour decisions.
  • So this is where aging ends, right? #Forever40
  • Pop the champagne, because this girl is 40.
  • Here’s to the next chapter.
  • Aged to perfection.
  • Chapter 40, Page 1.
  • Experience level: 40.
Reflected mountains with funny birthday captions for your 36th
  • Birthday behavior! #40
  • And so begins Chapter 40.
  • Well look who just turned 40…
  • Staying 40 until further notice.
  • POV: You can’t believe I’m 40 now.
  • On a scale of 1-10, feeling a solid 40.
  • Don’t wanna be sappy so… let’s just say 40 is already one for the books.
  • Say hello to my new favorite 40 year old.
  • 40 has never looked this good. Happy birthday!

Funny 40th Birthday Captions

These funny 40th birthday captions will make you smile. Then check out our lists of Funny Birthday Captions and Funny Captions for more.

  • 40? Who cares. I just want cake.
  • 40 years later and I’m still a hot mess.
  • Officially 40, but still mentally about five.
  • 40 is so fun I think I’ll repeat it again next year.
  • 40 is still young…er than 41.
Sunrise with funny 40th birthday captions
  • Achievement unlocked: 40.
  • Wow, never been 40 before.
  • Favorite day of the year. #40
  • 40 looks pretty and good to me.
  • Just like wine, better with time. #40
  • It took 40 years to get this awesome.
  • Say hello to the world’s latest 40 year old.
  • Another year, another candle on the cake. #40
Mountains and rivers
  • Cheers to another lap around the sun. Hello, 40.
  • At 40 everything is possible and tomorrow looks friendly.
  • You have 40 bottles of beer to drink. I hope you already started.
  • Your 40th Birthday comes along with great responsibility. You’re responsible for not getting too drunk.
  • Here for cake, and cake only.
  • I’m just here for the birthday cake.
  • I’m not getting older. I’m getting better.
  • I doubt tequila is the answer, but it’s worth a shot.
  • Made it to 40! I know. I’m as surprised as you are.
  • Leveling up my adulting game. 40 and having fun.
  • Shoutout to my mama who was in labor 40 years ago.
Hikers heading to mountains
  • Got so distracted by cake, I forgot it was my own birthday. #SoThisIs40
  • Another year older, but I’ll need some extra time for that ‘wiser’ bit. #40
  • Be careful what you wish for… My parents wished for me 40 years ago and look where that ended up.
  • Today is not for whining, it’s for wining!
  • After today, I’m celebrating my birthday in dog years.
  • I don’t care how old I’m turning, so long as there’s cake.

Short 40th Birthday Instagram Captions

Here are some of our favorite 40th birthday Instagram captions. Find the best 40th birthday captions for Instagram below, then head to our list of Short Captions for more.

  • 40 and glowing.
  • Schoolin’ Life at 40
  • 40 never felt better.
  • Chapter 40, Page 1.
  • Experience level: 40.
  • 40: When life truly begins.
  • My day, my way. #40
  • 40 is the new 30.
  • I’m 39 plus one.
Person looking at hills with short 40th birthday Instagram captions
  • 4.0.
  • Cheers to 40!
  • Season 40, Episode 1.
  • Lap 40 around the sun…
  • Yes, I become 40.
  • It’s no time to be 40.
  • So this is 40.
  • Level up. #40
  • 39 no more.
Clouds and mountains with short 38th birthday captions for Instagram
  • Big 40 energy.
  • Made it to Level 40.
  • Aged to perfection.
  • Now we start planning for 40!
  • Hello, 40.
  • Stay in your birthday magic.
  • 40, what a time to be alive.
  • I’m officially the big 4.0.
  • Hey Siri, count the candles.
  • 40? Bring it on.
  • Make a wish. #40
  • My day, my way.
  • Aging and raging. #40

Happy 40th Birthday Captions for Yourself

These 40th birthday captions for yourself will make your day.

  • I’ll enjoy the best of today and laugh like never before because it’s my 40th Birthday.
  • Life’s too short to not celebrate every chance you get! Happy 40th Birthday to me!
  • I wish myself a happy 40th birthday since I am the definition of awesomeness. Self-love!
  • Cheers to the one day of our lives, when we actually celebrate getting old. Happy 40th Birthday to me.
  • I want to thank everyone for my special 40th birthday, come and join me as I celebrate it.
  • I can’t keep calm, it’s my 40th birthday.
Ocean with happy 40th birthday captions for yourself.
  • Today is a great day cause it’s my birthday!
  • The only things getting LIT today are the candles on my cake!
  • Hip hip hip, hurray! It’s that special day of the year once again.
  • I’m grateful for life and for growth. I wish myself a happy birthday.
  • It’s my birthday, so I’m celebrating everything.
Sunset with happy 38th birthday to me captions
  • Heaven has been really good to me by adding another year to my age.
  • Birthdays are good for me. The more I have, the longer I live.
  • Of course, I don’t know how to act my age. I’ve never been this age before!
  • The thing is I love birthday celebrations, but only when they’re mine.
  • Happy Birthday to the smartest person in this world, Happy Birthday to Me!

Selfie Captions for 40th Birthday

You’ll love these selfie captions for 40th birthday. You might also want to check out our full list of Cute Selfie Captions.

  • I think 40 looks good on me.
  • Here’s to another 365 days of being fabulous.
  • Birthday mode: the youngest I’ll ever be, and the oldest I’ve ever been. #40
  • Celebrating my 2nd 20th birthday today…
  • Favorite day of the year. #40
  • Staying 40 until further notice.
  • Hey Siri, count the candles.
  • Reflecting on my 40th.
Reflected mountain with selfie captions for 40th birthday
  • Wow, never been 40 before.
  • Another year, another candle on the cake. #40
  • Say hello to the world’s latest 40 year old.
  • 40? Who cares. I just want cake.
  • 40 years later and I’m still a hot mess.
  • Made it to 40! I know. I’m as surprised as you are.
  • Got so distracted by cake, I forgot it was my own birthday. #SoThisIs40
Person looking at water with 40th birthday captions for yourself
  • I don’t care how old I’m turning, so long as there’s cake.
  • 40 & flirty. Happy birthday to me!
  • You really gonna scroll without wishing me a happy 40th birthday?
  • Only took 40 years to get this cute.
  • Birthday mode: the youngest I’ll ever be, and the oldest I’ve ever been. #40
  • Growing and glowing. #40
  • That birthday glow. #Feeling40

40th Birthday Puns

These 40th birthday puns will make you laugh.

  • Go ahead, cake my day.
  • Yeti or not, it’s your 40th birthday.
  • Have a grate 40th birthday. Hope that’s not too cheesy.
  • Time to par-tea!
  • Nothing holds a candle to you.
Ocean sunset with 40th birthday puns
  • You take the cake.
  • Some only dream of birthday cake, and others bake it happen.
  • Your 40th birthday cake brings all the boys to the yard.
  • Happy 40th birthday. You’re one in a melon.
  • Sending you s’more 40th birthday wishes.
  • Dim-sum body say it’s your 40th birthday?
Cake on place with cake puns
  • Let’s taco ‘bout your 40th birthday.
  • Oh ship, it’s your 40th!
  • Celebrating your 40th  is a piece of cake.
  • I got you popcorn for your 40th birthday because you’re poppin.
  • Here’s to a soup-er 40th birthday!
  • So you’re spaghetting older.
  • You’re 40 years old, but I do not carrot all.

40th Birthday Quotes for Instagram

Here are some of the best birthday quotes for turning 40 from our list of 40th Birthday Quotes. You might also like our list of Funny Quotes About Getting Older. Find your favorite quotes about turning 40 below.

“Wisdom doesn’t necessarily come with age. Sometimes age just shows up all by itself.” – Tom Wilson

“The secret of staying young is to live honestly, eat slowly, and lie about your age.” — Lucille Ball

“Age is a case of mind over matter. If you don’t mind, it don’t matter.” — Satchel Paige

“Life begins at 40.” – Walter Pitkin

Person looking at mountains with 40th birthday quotes by Pitkin

“Rollin’ with my homies.” — Coolio, “Rollin’ With My Homies”

“I make the moves up as I go.” — Taylor Swift, “Shake It Off”

“Be excellent to each other. And party on, dudes.” — Bill & Ted’s Excellent Adventure

“It takes courage to grow up and become who you really are.” — E.E. Cummings

“Turned my birthday into a lifestyle.” — Drake, “Pop Style”

“Make it pop like pink champagne.” — Ariana Grande, “Pink Champagne”

Beach sunset with happy 40th birthday quotes by Ariana Grande

“The party don’t start till I walk in.” — Kesha

“Go shawty, it’s your birthday.” — 90 Cent

“Every year on your birthday, you get a chance to start new.” — Sammy Hagar

“Throw some glitter, make it rain.” — Kesha

“That’s the funny thing about birthdays, they’re kind of an annual thing.” – Rapunzel

Ocean and cliffs with funny 40th birthday quotes by Wright

“I’m ready to paaaaarty.” — Bridesmaids

“It’s my birthday. I’ma do what I like. I’ma wear what I like. I’ma party tonight.” — Anne-Marie

“Aging seems to be the only available way to live a long life.” – Kitty Collins

“Why party like it is 1999 when you can party like it is your birthday?” — Prince

“Birthdays are good for you. Statistics show that the people who have the most live the longest.” — Larry Lorenzoni

Birthday Cake Quotes for 40th Birthdays

Find your favorite birthday cake quotes for 40th birthdays here, then head to our lists of Birthday Cake Quotes and Cake Captions for more.

“Birthdays are a great time to stop and appreciate gravity. Sure, it makes things sag as you get older, but it also keeps your cake from flying all over the room, so you don’t have to chase it.” – Greg Tamblyn

“I like birthday cake. It’s so symbolic. It’s a tempting symbol to load with something more complicated than just ‘Happy birthday!’ because it’s this emblem of childhood and a happy day.” — Aimee Bender

“If life is a birthday cake let my face be smeared with its icing of cognac and kindness.” – Aberjhani

“Celebration is life’s frosting: isn’t frosting the very best part of the cake?” – Bethenny Frankel

“Birthdays are nature’s way of telling us to eat more cake.” — Edward Morykwas

Birthday cake with quotes for 40th birthday cake by Morykwas

“Why is a birthday cake the only food you can blow on and spit on and everybody rushes to get a piece?” – Bobby Kelton

“You know you’re getting old when you get that one candle on the cake. It’s like, ‘See if you can blow this out.’” — Jerry Seinfeld

“Cake, cake, cake, cake.” — Rihanna, “Birthday Cake”

“Cakes are special. Every birthday, every celebration ends with something sweet, a cake, and people remember. It’s all about the memories.” — Buddy Valastro

40th Birthday Wishes

You’ll love these meaningful 40th birthday wishes. Then you can head over to our lists of 40th Birthday Wishes, Short Birthday Wishes and Funny Birthday Wishes for more ideas.

Turning 40 with the best support system in the world. Thanks for making the past 40 years so unforgettable!

Celebrate the sweetest person you know, by being the sweetest version of yourself. Happy 40th Birthday to my sweet friend!

We’ve come full circle; you started life as my little sidekick, and now you’re all grown up. I love you to the moon and back. Happy 40th birthday, sweetie.

Ocean sunset with happy 40th birthday wishes funny

Wishing you many many more, 40 years can’t even come close to measuring up to all the great memories we’ve already shared. Happy Birthday!

Happy 40th to my sweet friend. I’m so proud of you for all the cool things you’ve accomplished in life so far, and I can’t wait to see what the next year has in store!

Adulting is more fun when you have friends who know all the good uses of a potato masher. You wouldn’t believe some of the things this thing can do! Happy 40th birthday to you, my dear friend.

40 has never looked this good. Happy birthday

Ocean and clouds with funny happy 40th birthday wishes

Some things really do get better with age… Happy 40th birthday!

What goes up must come down—in this case the best 40th I could ask for. Cheers to your crazy, fun, quirky years!

Today you’re 40, but now that you’re a year older, you can finally wear cool adult underwear. Here’s to another year of awkward stage. Happy birthday!

May the odds of remembering your 40th birthday be ever in your favor.

Sun and ocean with 40th birthday wishes

Happy 40th Birthday! We honestly can’t believe you made it this long.

For your 40th birthday, my present is not taking any pictures of you tonight.

Finally 40 – now go out there and make some regrettable decisions.

And that’s it for our list! Hopefully you were able to find the best 40th birthday Instagram caption you were looking for.

If you like birthday captions, you might also want to see our lists of the best captions for 19th, 17th, 18th, 19th, 20th, 21st, 22nd, 23rd, 24th, 25th, 26th, 27th, 28th, 29th, 30th, 31st, 32nd, 33rd, 34th, 35th, 36th, 37th, 38th, 39th, and 50th birthdays.

Now get out there and celebrate!

Please let us know in the comments section below if you have a favorite birthday caption for your 40th we missed.

About the Author

Laynni Locke

Laynni Locke

Laynni has been sharing her travel adventures and day-to-day life on Routinely Nomadic social media for over 15 years and appreciates the importance of finding the perfect quote or caption to showcase those experiences. Putting her extensive writing and education background to good use, Laynni has become passionate about researching and curating comprehensive lists of all the best quotes and captions for every occasion.

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