• Glad you were the strongest sperm
• You're old enough to have a blockbuster card
• There’s a party in my mouth and your D is invited
• Never forget where you came from: your dads balls.
• You are what you eat.. happy birthday, asshole!
• I’m not saying you’re old, but if you were milk.. I’d sniff you first
• HBD! I love your guts and when you rearrange mine
• You blow the candles, I’ll blow you
• You’re only young once, but can be immature forever
• What did one saggy boob say to the other? Perk up! Or people will think we’re nuts! HBD
• You still look 21……… from a distance
• Birthdays are good for you! Statistics show that people who have the most, live the longest
• Happy birthday to an oldie, but a goodie
• One minute you’re young and fun, the next you’re excited about a new vacuum cleaner
• How to find out if you’re old: fall down. If people laugh, you’re young. If people panic, you’re old.
• Tits your birthday
• In banana years you’re bread
• Birthdays was the worst days.. now we sip champagne when we thirstay
• Birthdays only come once a year.. aren’t you glad you’re not a birthday?
• You're at an age where playing the air guitar could lead to an injury
• Celebrate your birthday the way you came into this world: naked & screaming 
• Wishing you lots of happiness this year, but the ‘ha’ is silent
• Thanks for looking up from your phone to read this
• Three things happen as you age: 1) your memory fades.. 2) I can’t remember the other one
• The best people are born in {month}
• Getting older sucks.. lucky for you, so do I
• May your upcoming year be less of a shit show than your last
• Things that age well: wine, cheese, you
• One year closer to paying your own bills
• Age is merely the number of years the world has been enjoying you
• You came out of a vagina. Gross
• You were shot out of your dads penis
• A little birdie told me it’s your birthday! And I was like ‘FUCK ME! It’s a talking bird!’
• {Astrological sign} season
• Here’s to another year of laughing at our own jokes and hating the same people
• You’re colonoscopy years old
• You can cross ‘dying young’ off of your list of things to worry about
• Who knew one tiny sperm could turn into such a douche
• Happy birthday, sugartits
• Sluts we’re born in {month}
• Don’t worry, you don’t look as old as you are
• Having me as your {relationship} is the greatest gift
•Happy birthday to the family member I’m least ashamed to be related to
• I’m not making any age related jokes cause I truly feel bad about how old you are
• Here’s your annual reminder that I’m glad you were born
• It appears someone has something to celebrate
• Shout out to your mom and dad for making you
• A late birthday gift is better than a late period
• Smart, good looking, and funny. But enough about me, happy birthday!
• Happy Birthday, asshole
• Happy born day
• Congrats on another year of not dying
• Happy birthday to the only person I want to grow old and cranky with
• Damn, you're old
• I'm here to mourn the loss of your youth - happy birthday
• Didn’t we just celebrate this like a year ago? Happy Birthday
• Congratulations on another spin around the sun
• May the best of your past be the worst of your future
• Tell me again how old you are?
• You’re still hot after all these years
• Don’t fret over another birthday. You were already old.
• Your body is piling up the years, but your mental age is not
• At least you're not as old as you will be next year
• I usually forget everyone’s birthdays, so you should feel lucky that I’m sending you this
• Holy shit, you're how old?
• Count your blessings, not your wrinkles
• Another year has gone by but you haven't gotten any wiser
• Growing old is mandatory but growing up is optional
• Happy birthday to you & your massive penis
• Happy birthday to you & your massive tits
• Can I blow out your candles
• Glad you were the strongest sperm
• You should have been swallowed
{#} years of being a twat
• If you wished for anal, not happening
• Happy Birthday to my best bitch
• Thanks for coming out of your moms vagina
• Too old for Tik-Tok, but too young for Life Alert
• Happy birthday! Thank you for always spreading the love and my legs
• Getting older sucks, but I swallow
• Grateful your parents had sex
• Your dad came in your mom
• Happy developmental milestone.