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Top 30 Funny 40th Birthday Quotes & Wishes

Author: Marco Wolfsheimer

Updated: 7th April, 2024

Turning the Big 40 is a huge moment in anyone's life, and it's the perfect chance to bring out the humor and celebrate in style! Be it a friend, family member, or coworker hitting this milestone, putting a smile on their face with a funny birthday card can be just the trick to kick off their special day. From cheeky jokes to hilarious greetings, there's a perfect quip for every soon-to-be 40-year-old.

Funny 40th Birthday Quotes & Wishes

Here is a list of funny 40th birthday quotes & wishes to lighten up the big day and bring a smile to the birthday person's face. Whether for a friend, family member, or colleague, these witty messages are sure to make their next 60th birthday card unforgettable.

Happy 20th anniversary of your 20th birthday! Don't worry, 40 is just a number…a pretty big number, but hey, who's counting? (Spoiler: We all are.)
Congrats on hitting classic status! You're not old, you're vintage. And vintage things are super valuable, so maybe it's time for an insurance update?
Remember when we were kids and thought 40 was ancient? Well, you're there now, and I gotta say, you're the youngest ancient person I know. Stay legendary!
Are you 40 or is that just the number of times you ask for help with your phone each day? Happiest of birthdays to the tech-challenged superstar!
Welcome to your 40's, where a night of partying means enjoying one glass of wine and binge-watching your favorite show. Let's toast to good company and early bedtimes!
At 40, you're not getting older, you're just closer to becoming a fossil. Lucky for you, dinosaurs are all the rage again. Happy Birthday, you trendy thing!
Hey, you're halfway to 80! But look on the bright side – halfway is only the middle, and you've still got a lot of party left in you!
Turning 40 means you've had 10 years of being a wise 30-something. So really, you're just ten years wiser! Or that's what we'll keep telling ourselves.
At 20, they say you're spicy. At 30, hearty. Now at 40, you're seasoned to perfection! I'm pretty sure that means you're now a four-star meal. Happy Birthday, gourmet friend!
Over the hill? Nah, you're just getting to the good part of the hike. The view's better and there's less crowd. Cheers to breath-taking views at 40!
Turning 40 is like finally getting a wisdom tooth. It kinda hurts, but it proves you're wiser... right? Celebrate your new 'tooth' with cake!
Welcome to your 40s: If you move it and it hurts, it means you still got your hips! Keep dancing—just maybe not breakdancing. Happy Birthday!
If life were a video game, you've just hit the top score at level 40. Keep those thumbs limber; you're going to need them for level 41!
They say life begins at 40... but so do forgetful moments, creaky knees, and those very naughty forties! Embrace the mischief—it's all part of the fun!
Age-appropriate behavior is highly overrated, and at 40, you've earned the right to be as inappropriate as you wish. May your day be as amazing as your 'young' spirit!

You're not 40; you're just 25 with an extra 15 years of experience. Just think, only 25 more until retirement. The countdown has officially begun—let the good times roll!
Peak performance is around 40, they say. I'd say you're operating at mountain summit levels, my friend. Keep climbing – there's plenty of peak left to go!
In your heart, you're still a teenager. The only difference now is the 'teen' is silent. Welcome to fun in silence – the mark of true adulthood!
You're not 40, you're 22 with 18 years of experience. Anyway, 40 is the new 30, haven't you heard? Update your mindset, and let's celebrate like it's 1999!
Back in your day, internet was a noise, phones were stuck to walls, and photos took a week to see. Some would say those were simpler times. Here's to simpler times at 40!
This card is filled with love and laughter and a little denial about your age. Here's to pretending you're the eternal number 39—may it bring you endless joy!
Congratulations on being financially savvy enough to look just as good at 40 as you did at 20. That's either great budgeting or magic; either way, we approve. Happy 40th!
The 40-year-old you is the new and improved version—now with more wisdom, experience, and a greater appreciation for naps. Behold the glory of middle-aged napping! Have a snore-tastic 40th birthday!
Forty is not old if you're a tree, so let's plant you in the yard and see what happens. Maybe you'll find the Fountain of Youth out there!
To think, you're now old enough to have mature conversations about things like fiber and cholesterol. Welcome to the club—may your discussions be as regular as your new fiber routine.
Turning 40 is like fashion – always fashionably late and worth the wait. Strut into your forties with style, and let's have a party that's as fabulous as your new age!
Just like fine wine, you're getting better with age. The only difference is nobody's trying to store you in a cellar. Let's pop the cork and celebrate your vintage! Happy 40th!
They say 40 is the perfect age. You're old enough to recognize your mistakes but young enough to make some more. Cheers to more fabulous errors!
A new decade means new rules, starting with 'you're only as old as you feel.' From now on, let's measure age in experiences, not years. Here's to feeling eternally youthful at 40!
At 40, you're officially on Santa's naughty list - for being too fine! Keep up the good work, and maybe you'll score some extra presents for Christmas. Who says being naughty doesn't pay off?
Not edgy enough? Check out list of rude Birthday wishes or our top 30 funny birthday wishes.

A joyful laugh breaks out as someone reads a witty 40th birthday card message

Injecting humor into a 40th birthday card can be the perfect way to kick off the celebrations. Whether you're looking for a message that pokes fun at the age itself or one that highlights the positives of growing older with grace and humor, these ideas should have you covered.

Remember, behind every funny message is a note of love and appreciation. So, don't forget to personalize your birthday card with a heartfelt note that truly speaks to the journey and the joy of celebrating four decades of life. And if you're on the hunt for the perfect card to accompany your witty message, be sure to check out the wide selection at Happy Tree Cards, where you can find cards for all occasions.