167+ Funny Slogans for Turning 40 🎉😂

Turning 40 is a milestone that comes with mixed feelings. For some, it’s the start of wisdom, stability, and success. For others, it’s a reminder that youth is slowly fading.

But guess what? Forty is fabulous! And the best way to celebrate this new chapter is with humor, laughter, and unforgettable slogans.

Funny slogans for turning 40 are perfect for birthday parties, t-shirts, mugs, banners, and even social media posts.

They bring people together, lighten the mood, and turn what some call a “midlife crisis” into a moment of joy.

With the right slogan, you can make everyone laugh while celebrating the beauty of aging gracefully.

In this article, you’ll discover 167+ hilarious slogans to make turning 40 an unforgettable experience in 2025.

Whether you’re looking for sarcastic, witty, or party-ready lines, you’ll find plenty of inspiration here.

Let’s dive into the world of humor and make 40 feel like the new 20!

Benefits of a Good Funny 40th Birthday Slogan

A catchy slogan can do wonders for a milestone celebration. Here are some benefits:

🎂 Adds humor: Lightens up the celebration with laughter.
🥳 Creates memories: Slogans stick in people’s minds for years.
👕 Perfect for party items: Great for t-shirts, mugs, and decorations.
📸 Boosts social media fun: Makes posts funnier and more shareable.
💬 Starts conversations: Breaks the ice at parties.
❤️ Encourages positivity: Helps embrace aging with confidence.

Funny 40th Birthday Slogans for T-Shirts 👕

Life begins at 40… or at least naps do
40 and still a hot mess
Chapter 40: Still under construction
Aging like Wi-Fi: slower every year
40 and fabulous-ish
Four decades of chaos and charm
Born in 1985, still not an adult
Forty is the new exhausted
I make 40 look like 39.5
Zero to 40 real quick
Warning: May contain adult content
40 and broke like I’m still 20
Mastered sarcasm in 40 years
Made in the 80s, upgraded in 2025
Too young to retire, too old to stay up late
Level 40 unlocked
Fuelled by coffee and midlife crises
Old enough to know better, young enough to still do it
Proud member of Club 40
The legend turns 40
Vintage 1985, still in stock

Witty Slogans for Turning 40 🎭

Forty, flirty, and forgetting things
40: where metabolism goes to die
Life begins at 40… if your back allows it
Don’t count the years, make the years count
Still fabulous after 14,600 days
40 years of fine-tuned sarcasm
Officially too old for TikTok trends
Halfway to senior discounts
Forty but forever young at heart
Midlife and loving the drama
I survived the 30s—barely
40: a masterpiece in progress
Old enough to know better, still young enough to ignore it
Age is just a number, mine is unlisted
Celebrating 480 months of fabulous
40: still downloading updates
Party like it’s 1985
Wrinkles are just laugh lines in 4D
Forty is the age of wise decisions… sometimes
Hello 40, goodbye metabolism

Funny Party Slogans for 40th Birthday 🎉

40 years, 40 beers
Over the hill but rolling strong
Life of the party for 4 decades
Born to be wild, aged to perfection
40 and still dancing badly
Cheers to 40 years
The hangovers hit harder at 40
Old enough to know better, too young to care
40 candles, one fire hazard
Midlife party starter
Cake calories don’t count at 40
Aging like a fine cocktail
Forty and fabulous, now pass the wine
Party like your knees don’t hurt
Too glam to give a damn at 40
Confetti hides wrinkles
40 years, countless memories
Turning 40: excuse for unlimited cake
Forty, flirty, and fueled by sugar
Another year older, another excuse to party

Sarcastic Slogans for Turning 40 🙃

40 and already tired of your nonsense
Welcome to 40, where fun goes to bed early
Don’t worry, 40 is only halfway to dentures
40 is just 18 with 22 years of experience
Remember when you were young? Me neither
Warning: 40 and cranky
Forty: the age of unsolicited advice
At 40, naps are a sport
Aging like milk—sour but still useful
40, the perfect excuse for forgetting names
Congratulations, your warranty has expired
Life begins at 40… but so do random back pains
40 is when your knees sound like bubble wrap
The older I get, the better I was
40: caffeine required daily
Officially in the “what’s that noise in my joints” stage
Age 40: Professional complainer level unlocked
Welcome to the club of aches and pains
40: where fun meets responsibility
Sarcasm is my anti-aging cream

Inspirational Funny 40th Birthday Slogans 🌟

40 is not old, it’s vintage
Stronger, wiser, funnier at 40
Four decades of resilience and charm
40 and glowing brighter than ever
Living proof that age is just a mindset
40: wiser but still wild
Life at 40 is a beautiful adventure
40 is when confidence becomes your superpower
Flourishing at forty
40 is fabulous, fearless, and free
Middle age, maximum fun
Four decades, countless blessings
Sparkle doesn’t fade with age
Cheers to 40 years of growth
40 is where wisdom meets wit
Celebrating four decades of awesome
Life begins at 40, happiness never ends
Fabulous at 40, thriving at life
More laughter, less worry at 40
Forty: a milestone worth celebrating

Funny Slogans for 40th Birthday Cakes 🎂

40 candles = fire hazard
Eat cake, age later
Don’t worry, it’s only 40 calories… per bite
40 and frosted with fabulous
Sweet 40 years in one slice
Calories don’t count on birthdays
Over the hill but still sweet
Cake therapy: best cure for turning 40
Forty layers of flavor
The icing on 40 years of life
Sprinkle happiness, not wrinkles
Forty and sugared up
Every bite tastes like experience
Warning: May cause sugar rush and wisdom
Turning 40, one slice at a time
40 candles, one wish: more cake
Frosted with fun, filled with memories
Cake > age crisis
Cheers to 40 with sprinkles on top
Still sweet after 40 years

Funny 40th Birthday Slogans for Social Media 📱

40 and trending
Born in the 80s, thriving in 2025
New decade, same drama
Officially hashtag forty
40 selfies later, still fabulous
Living my best midlife
From mixtapes to TikToks: 40 years of change
Swipe right for wisdom
40 looks good on me, admit it
#FortyAndFabulous
Likes don’t define me, but cake does
40, filter-free and flawless
My 40-year glow is natural
Just a vintage soul in a digital world
40 years, zero regrets
Tag me in your birthday memes
Throwback to the 80s, flash forward to fabulous
Viral at 40, wiser than ever
Post responsibly, you’re 40 now
From floppy disks to smartphones in 40 years

How to Create Your Own Funny Slogan for Turning 40 ✍️

Creating your own slogan is easier than you think. Here are a few tips:

Play with numbers: Use 40 in creative ways (40 years, 480 months, 14,600 days).
Mix humor with reality: Highlight everyday struggles like back pain, gray hairs, or naps.
Add sarcasm: A little irony makes slogans funnier and more relatable.
Keep it short and catchy: Easy to print on shirts, cakes, or banners.
Make it personal: Use hobbies, personality traits, or quirks for unique humor.