110 Funny Birthday Quotes for Cousins: Celebrate with Laughter! 🎉😂

Cousins are often our first best friends, the ones we can laugh with, share secrets with, and cause a little mischief together.

Their birthdays are the perfect time to remind them just how much they mean to you—while bringing a smile (or maybe even a laugh) to their face!

Here are 110 funny birthday quotes that will show your cousin just how awesome (and hilarious) you think they are!

---

1. Classic Funny Birthday Quotes for Cousins 😂

Start with some classic funny birthday wishes that will make your cousin chuckle.

1. “Happy Birthday, cousin! You’re not getting older, you’re just getting closer to being the eccentric relative! 🎉”
2. “Another year, another wrinkle! Don’t worry, cousin, you’re still looking good… from a distance! 😂”
3. “Happy Birthday, cousin! You’re like a fine wine—you get better (and funnier) with age! 🍷”
4. “Cousin, I would’ve bought you a birthday cake, but I remembered we’re both bad at sharing food. 🎂”
5. “Happy Birthday, cousin! I didn’t forget your present, I just ran out of time to think of one. 😂”
6. “They say cousins are our first friends. You’re lucky I’m still around! Happy Birthday! 🎉”
7. “Happy Birthday! It’s your special day, so don’t worry, I’ll make fun of you more tomorrow. 😂”
8. “Cousin, age is just a number… a very, very high one in your case! Happy Birthday! 🎂”
9. “Happy Birthday! Don’t worry about getting older, cousin—just pretend you’re aging like a vintage meme! 😂”
10. “Congrats on surviving another year of being related to me. Happy Birthday, cousin! 🎉”

2. Sarcastic and Witty Birthday Quotes for Cousins 😜

For cousins who appreciate a bit of sarcasm, these birthday quotes will hit just the right note.

11. “Happy Birthday, cousin! You’re like a sibling I didn’t ask for, but I’m stuck with. 😜”
12. “Congratulations, cousin! You’ve officially survived one more year of my teasing. 😂”
13. “Happy Birthday! Another year older, but not necessarily wiser… right, cousin? 😉”
14. “Cousin, you’re not old… you’re just well-seasoned! Happy Birthday! 😂”
15. “Happy Birthday, cousin! Remember, you’re only as old as you act—and you’re doing a great job at being 12. 😜”
16. “Congrats, cousin! You’re aging like a smartphone—slower with every year. 🎉”
17. “Happy Birthday! May your day be as awesome as you pretend to be on social media. 😎”
18. “Cousin, you may be older, but at least you’re not as old as you’ll be next year. 😂”
19. “Congrats on turning a year older, cousin! It’s like reaching level 50 in a video game—only less fun. 🎂”
20. “Happy Birthday, cousin! You’re aging like cheese, and not in the good way. 😉”

3. Lighthearted Funny Birthday Quotes for Cousins 🎂

These lighthearted quotes are perfect for cousins who love to laugh but don’t take things too seriously.

21. “Happy Birthday, cousin! Don’t count the candles… just enjoy the cake! 🎂”
22. “Congrats on being the coolest cousin in the family. I know, because I taught you well. 😉”
23. “Happy Birthday! You’re getting older, but at least you’re not me. 😂”
24. “Cousin, you may be getting older, but let’s face it—you’ll never catch up to my level of coolness. 🎉”
25. “Happy Birthday, cousin! May your cake be sweet, your presents awesome, and your wrinkles few! 😂”
26. “Age is just a number, cousin. In your case, it’s a really big one! 🎂”
27. “Happy Birthday! Another year, another chance for us to embarrass ourselves together. 🎉”
28. “Cousin, you’re like the glue that holds our family together… mostly because you’re always stuck in some drama! 😂”
29. “Congrats on being older, cousin! But don’t worry, you’ll always be younger than you’ll be next year. 😉”
30. “Happy Birthday! Here’s to another year of pretending we know what we’re doing in life! 🎂”

4. Funny Birthday Quotes About Aging for Cousins 🎉

Aging doesn’t have to be serious—celebrate getting older with these hilarious quotes!

31. “Happy Birthday! You’re not old, you’re just… well, you are kind of old, cousin. 😂”
32. “Congrats, cousin! You’re another year closer to needing reading glasses. 🎂”
33. “Happy Birthday, cousin! You’re aging like a pro—slowly and with plenty of complaints. 😉”
34. “They say with age comes wisdom… but we’re still waiting for you to catch up, cousin! 😂”
35. “Happy Birthday! You’re aging so gracefully, it’s almost suspicious. 🎉”
36. “Cousin, you’re like a fine wine—aged to perfection but with a few extra corks! 🍷”
37. “Happy Birthday! At least you’re not as old as you’ll be next year, cousin. 😉”
38. “You’re not old, cousin. You’re just chronologically gifted! 🎂”
39. “Congrats on leveling up, cousin! You’re now officially a classic. 🎉”
40. “Happy Birthday! You’re aging like a meme—sometimes relevant, sometimes not. 😂”

5. Playful Birthday Quotes for Cousins Who Love Fun 😎

These playful birthday wishes are for the cousins who love to have a good time and never take life too seriously.

41. “Happy Birthday, cousin! Keep being awesome, keep being you, and most importantly, keep being fun! 🎉”
42. “Cousin, you’re the life of every family party—Happy Birthday, and let’s keep the fun going! 🎂”
43. “Happy Birthday! You’re 50% cool, 50% funny, and 100% my favorite cousin! 😎”
44. “Cousin, you’re my partner in crime and my favorite troublemaker. Let’s celebrate in style! 🎉”
45. “Happy Birthday! Another year, another excuse for us to make fools of ourselves together. 😂”
46. “Cousin, you’re not just family—you’re the fun part of family! Happy Birthday! 🎂”
47. “Cheers to the cousin who always knows how to have a good time—Happy Birthday! 🍻”
48. “Cousin, you’re the reason family gatherings are bearable. Happy Birthday, and never change! 😂”
49. “Happy Birthday! You’re the cool cousin everyone wishes they had—and I’m lucky enough to have you! 🎉”
50. “Cousin, you’re the life of the party, the reason for the fun, and the best cousin around! Happy Birthday! 😎”

6. Sassy Birthday Quotes for Cousins 😏

For the cousin who loves a bit of sass, these witty quotes will add some spice to their birthday!

51. “Happy Birthday, cousin! You’re like a younger, sassier version of me. 😉”
52. “Cousin, you’re lucky you’ve got me to keep you humble. Happy Birthday! 😂”
53. “You may be older, cousin, but don’t worry—you’ll always be behind me in style! 🎉”
54. “Happy Birthday! Don’t worry, cousin, you’re still not as fabulous as I am, but you’re getting there. 😎”
55. “Cousin, you’ve aged like a fine meme—classic, but with a hint of sass. 😂”
56. “Happy Birthday, cousin! You’re not just aging—you’re aging with attitude! 😏”
57. “Cousin, you’re like a rare unicorn—one-of-a-kind and slightly sassy! Happy Birthday! 🦄”
58. “Happy Birthday! May your day be as fabulous and fierce as you are, cousin! 🎉”
59. “Cousin, you’re like glitter—sparkly, messy, and impossible to get rid of! Happy Birthday! 😂”
60. “Happy Birthday, cousin! Don’t forget—you may be older, but I’ll always be cooler. 😎”

7. Hilarious Birthday Quotes for Cousins Who Are Like Siblings 🎂

These quotes are for the cousins who are practically like brothers or sisters.

61. “Happy Birthday to my cousin, my sibling by choice! Let’s celebrate like we’re kids again! 🎉”
62. “Cousin, you’re like the sibling I never asked for but somehow got stuck with! Happy Birthday! 😂”
63. “Happy Birthday! You’re not just my cousin, you’re my partner in crime—and that’s a dangerous combination! 🎂”
64. “Cousin, we’re basically siblings, just without the fighting over clothes. Happy Birthday! 🎉”
65. “Happy Birthday, cousin! You’re the sibling my parents never had, but I’m sure they’re glad I have you! 😂”
66. “Cousin, you’re the reason family reunions are fun—Happy Birthday to my favorite sibling-in-disguise! 🎉”
67. “Happy Birthday, cousin! You’re like the sibling I can’t get rid of, but at least you’re fun to be around! 😂”
68. “To my cousin, my friend, and the sibling I never had—Happy Birthday! 🎂”
69. “Cousin, you’re like a sibling with fewer fights and more fun! Happy Birthday! 🎉”
70. “Happy Birthday! To my cousin who’s more like a sibling—thanks for making life more entertaining! 😂”

8. Relatable Funny Birthday Quotes for Cousins 🎉

These quotes will make your cousin laugh because they’re so relatable to your shared family experiences!

71. “Happy Birthday, cousin! You’re the only person who gets how weird our family really is! 🎉”
72. “Cousin, you’re the best because you’ve seen me at my weirdest, and you still stick around! Happy Birthday! 😂”
73. “Happy Birthday! Growing up with you as my cousin means we have the best inside jokes. 🎂”
74. “Cousin, we’re basically family reunion pros by now—Happy Birthday to my favorite partner in weirdness! 😂”
75. “Happy Birthday, cousin! You’re like the therapist I never asked for but definitely need! 🎉”
76. “Cousin, you’re the only one who can make family gatherings fun—Happy Birthday! 😂”
77. “Happy Birthday! Thanks for always being the cool cousin who doesn’t judge my weirdness. 🎉”
78. “Cousin, we’ve survived family reunions together, and that’s worth celebrating. Happy Birthday! 😂”
79. “Happy Birthday to the cousin who understands our family’s craziness better than anyone else! 🎂”
80. “Cousin, you’re the one person who makes family events bearable—Happy Birthday! 😂”

9. Playful Birthday Quotes for Younger Cousins 🎉

For the younger cousins who you’ve watched grow up, these playful birthday wishes will bring a smile to their face.

81. “Happy Birthday, little cousin! You’re growing up so fast, but you’ll always be my favorite troublemaker! 🎂”
82. “Cousin, you’re like the younger sibling I can spoil and then send home! Happy Birthday! 🎉”
83. “Happy Birthday, little cousin! I’ve taught you well—now it’s time to pass on the fun! 😂”
84. “To my favorite younger cousin, Happy Birthday! Don’t worry, I’ll keep showing you the ropes. 🎂”
85. “Happy Birthday, little cousin! You’re growing up, but don’t get too cool for me just yet! 🎉”
86. “Cousin, you’re the best because I can give you advice, and you actually listen! Happy Birthday! 😂”
87. “Happy Birthday! You’re growing up fast, cousin, but I’m still cooler. 🎂”
88. “To my younger cousin, Happy Birthday! May you never forget the valuable lessons I’ve taught you. 🎉”
89. “Happy Birthday, little cousin! You’re not so little anymore, but I’ll always be here to guide you! 😂”
90. “Cousin, you’re growing up to be awesome! But don’t worry, I’ll still call you little. Happy Birthday! 🎉”

10. Creative Birthday Quotes for Cousins Who Are One-of-a-Kind 🎂

For the cousin who’s totally unique, these creative birthday wishes are sure to make them smile.

91. “Happy Birthday, cousin! You’re like a rare collectible—one-of-a-kind and irreplaceable! 🎂”
92. “Cousin, you’re the most unique person I know, and that’s why you’re my favorite! Happy Birthday! 🎉”
93. “Happy Birthday to my one-of-a-kind cousin! Keep being your awesome, unique self! 🌟”
94. “Cousin, you’re like a rare gem—beautiful, unique, and a little bit shiny! Happy Birthday! 💎”
95. “Happy Birthday! You’re the only cousin I know who can pull off being this awesome! 🎂”
96. “To my cousin who’s always marching to the beat of their own drum—Happy Birthday! 🎉”
97. “Cousin, you’re the most creative, unique, and fun person I know—keep being you! Happy Birthday! 🎂”
98. “Happy Birthday, cousin! There’s no one else like you, and that’s what makes you amazing! 🌟”
99. “Cousin, you’re not just a one-of-a-kind—you’re a once-in-a-lifetime! Happy Birthday! 🎉”
100. “To my unique, creative cousin, Happy Birthday! Never stop being your amazing self! 🎂”

11. Funny Belated Birthday Quotes for Cousins Who You Forgot to Celebrate on Time 😂

Oops! Forgot to send that birthday message on time? These belated birthday quotes will save the day!

101. “Happy Belated Birthday, cousin! I didn’t forget, I just wanted to give you an extended celebration! 🎉”
102. “Oops! I missed your birthday, cousin! But at least I remembered before next year, right? 😂”
103. “Happy Belated Birthday, cousin! Consider this your extra surprise gift! 🎂”
104. “Sorry I missed your big day, cousin! But don’t worry, I’ll make it up to you with cake! 🎉”
105. “Happy Belated Birthday, cousin! I’m not late, I’m just fashionably delayed. 😂”
106. “Oops! I forgot your birthday, cousin, but I’m making up for it with this amazing message! 🎂”
107. “Happy Belated Birthday, cousin! I didn’t forget—I just needed more time to make this wish extra special! 🎉”
108. “Cousin, I may have missed your birthday, but I didn’t miss out on sending you the best wishes ever! 😂”
109. “Happy Belated Birthday, cousin! Just think of it as your birthday week now! 🎉”
110. “Sorry for the late birthday message, cousin! But hey, better late than never, right? 🎂”

---

Conclusion 🎉

With these 110 funny birthday quotes, you’ll have the perfect way to bring laughter and joy to your cousin’s birthday. Whether they love sarcasm, playful jabs, or lighthearted humor, these quotes will help make their day even more special.