Funny Happy Birthday Cards (244)

To an "Old School" Son - Funny Birthday Card Send this Card
Your son's time has come. He's no longer cutting edge, he's officially "old school!" It's a right of passage. Celebrate your son's birthday and send a funny birthday card to show your love, support, and good sense of humor. Growing older comes with its own perks, like lots of great memories from "back in the day!" Send this nostalgic pixel art birthday card to your son. He'll remember the fun he had as a kid playing video games, but can still smile that while those days are over-at least he can drink beer now!
Relaxation Ahead! Funny Birthday Card for Son Send this Card
Birthday warning! Relaxation ahead! Send this funny birthday card for a son today. Help your son remember what his birthday is all about. Namely, taking it easy for once! Wish your son a terrific birthday with a hilarious birthday card that will make him smile. This fun birthday greeting is perfect for a son who works hard and rarely ever takes time for himself.
Puggin' Love You! Funny Birthday Card for Son Send this Card
Pug birthday cards really can't be beat. They are hilarious and adorable. Send this funny birthday card to your son today and let him know how much you "puggin'" love him! Your son is the best, your favorite, one swell dude! Send him the kind of fun birthday greeting he deserves with this silly and clever birthday card. Very little is needed to make a happy life---just pugs and hugs, am I right?
Awkward Cat Funny Birthday Card for Son Send this Card
Always wanted to tell your son how amazing he is to you, but didn't know how? Here you go! A super funny birthday card is a great time to share your love for your son in a sneaky, silly way! Send this awkward birthday dog getting coated in glitter stars. This fun birthday card let's you be sentimental and hilarious-perfect for a son who might roll his eyes a lot but still really wants to know you love him!

Emoji Funny Birthday Card for Son Send this Card
It's your birthday you can...cry, laugh, sing, rage, love if you want to! Anything is possible! Send an funny emoji birthday card to your son to let him know that on his special day he gets to live it however he wants to. Funny birthday cards are always appreciated. Your son's birthday is a great time to share a laugh. Wish your son a great day and send this hilarious birthday greeting card today.
You Turned Out Amazing - Funny Birthday Card for Son Send this Card
Raising kids is for superheroes. Give yourselves a pat on the back for all your efforts! Your son is an amazing guy! Let him know how lucky he is to have such super parents with a funny birthday card. Let him know he was a handful, but he turned out just fine after all. Wish your son a happy birthday in a clever way with this tongue-in-cheek birthday card.
To a "Beary" Great Son - Funny Birthday Card Send this Card
Sons are just big softies. No matter how cool and grown-up they think they are, as parents we know they are all squishy on the inside...kind of like a gummy bear! Send this funny birthday card to your son and wish him a "beary" good day! Let him know you see his true colors and love him a lot. This fun and clever birthday greeting card has delicious gummy bears to help wish your son a terrific birthday.
New Way to Level Up! Funny Birthday Card for Son Send this Card
The world looks pretty different today than it used to when your son was a kid. Send this pixelated happy birthday card to your son on his birthday. Wish him a terrific day with a funny card. Your son has seen many birthdays but there is no reason to be sad about getting older. This birthday greeting card reminds your son that every year is just another chance to Level UP his life!

You've Never Looked Better - Funny Birthday Card for Son Send this Card
Is your son getting up in age? Wish him a happy birthday and tell him he's never looked better with this retro birthday greeting card! Like a vintage car, your son might be officially over the hill but that's just another way of saying he's a real classic! Send a funny birthday card to your son on his special day.
Don't Get Too Drunk - Happy Birthday Card for Son Send this Card
If you have an adult son who is having a birthday soon, use this fun Happy Birthday card to send your celebratory wishes! The background is yellow and three tall mugs of beer are in the center, each with a candle stuck in the foam at the top. Send this comical birthday card for birthday wishes that will bring a smile and laughter!

For Son (10)