Explore hilarious birthday wishes for your cousin that will make their special day unforgettable! Perfect for sharing laughs and joy.
Happy Birthday, Cousin! Remember, age is just a number, but in your case, it’s a really high one!
Congrats on getting older! Just think of it as a new level in the game of life. Level Up, Cousin!
Happy Birthday! You're not getting older; you're just becoming a classic – like a fine wine or a vintage car!
Another year older and still no sign of maturity! Happy Birthday, Cousin!
Cheers to you on your birthday! May your day be filled with cake, laughter, and a few embarrassing selfies!
Happy Birthday! I would have gotten you a great gift, but then I remembered you already have me as a cousin!
Happy Birthday to my favorite cousin! Don’t worry, I won’t tell anyone how old you really are… today.
Wishing you a birthday filled with as much fun as you’ve brought into my life – which is a lot, considering you’re my cousin!
Happy Birthday! They say you’re only young once, but you can be immature forever. Keep it up, Cousin!
On your special day, I wish you all the cake, laughter, and absolutely no responsibility. Enjoy being a kid today!
Happy Birthday! May your day be more fabulous than your fashion sense!
Congrats on surviving another year of me as your cousin! Here’s to many more years of questionable decisions together!
Happy Birthday! May your day be filled with cake, cocktails, and creative excuses for forgetting how old you are!
Another year, another wrinkle. Just kidding! You look amazing… for your age!
Happy Birthday! Remember, the best part about being older is that you no longer have to act your age!
To my cousin, may your birthday be filled with enough laughter to make your abs hurt. Just kidding, it's time to eat cake!
Happy Birthday! Just remember: you're not old. You're just vintage!
Wishing you a day filled with as much joy as you bring to our family… which, let’s be honest, is a lot!
Happy Birthday! I hope today is filled with laughter, love, and a whole lot of cake!
Cheers to another year of being the coolest cousin! Just don’t forget to share the cake!
Happy Birthday! Remember, it’s not the years in your life that count, it’s the cake and ice cream!
Congratulations on reaching an age where you can still party like a rock star but need naps like a grandma!
Happy Birthday! May you continue to be the cousin that everyone wants to be around – mostly for your snacks!
Here’s to you on your birthday, Cousin! May your day be filled with laughter, adventure, and zero adulting!