Turning 50 is a big milestone. It is a time to celebrate, to reflect, and most importantly, to laugh. Humor lightens the mood and makes memories unforgettable. Cool knock knock jokes are timeless. They are simple, playful, and perfect for a birthday celebration. This article shares 81+ knock knock jokes designed to make any 50th birthday a fun-filled event.

81+ Knock Knock Jokes to Make Your 50th Birthday Unforgettable

1. Knock knock. Who’s there? Fifty. Fifty who? Fifty years old, and still fabulous!

2. Knock knock. Who’s there? Half. Half who? Half a century, and all smiles!

3. Knock knock. Who’s there? Golden. Golden who? Golden oldie, shining bright at 50!

4. Knock knock. Who’s there? Age. Age who? Age gracefully, like you have for 50 years!

5. Knock knock. Who’s there? Wisdom. Wisdom who? Wisdom comes with 50 years, enjoy it!

6. Knock knock. Who’s there? Halfway. Halfway who? Halfway to 100, let’s celebrate!

7. Knock knock. Who’s there? Silver. Silver who? Silver lining of turning 50!

8. Knock knock. Who’s there? Cheers. Cheers who? Cheers to 50 years of fun!

9. Knock knock. Who’s there? Fabulous. Fabulous who? Fabulous at fifty, that’s you!

10. Knock knock. Who’s there? Half pint. Half pint who? Half pint of wisdom, full glass of laughter!

11. Knock knock. Who’s there? Memory. Memory who? Memory lane is wide open at 50!

12. Knock knock. Who’s there? Cake. Cake who? Cake is ready, let’s eat at 50!

13. Knock knock. Who’s there? Oldie. Oldie who? Oldie but goldie at 50!

14. Knock knock. Who’s there? Smile. Smile who? Smile wide, 50 looks great on you!

15. Knock knock. Who’s there? Party. Party who? Party time, 50 is fine!

16. Knock knock. Who’s there? Time. Time who? Time flies, 50 is here!

17. Knock knock. Who’s there? Legend. Legend who? Legend in the making, 50 and going strong!

18. Knock knock. Who’s there? Cheersy. Cheersy who? Cheersy to 50 years of joy!

19. Knock knock. Who’s there? Vintage. Vintage who? Vintage 1975, perfectly aged!

20. Knock knock. Who’s there? Laugh. Laugh who? Laugh all day, 50 is play!

21. Knock knock. Who’s there? Hip. Hip who? Hip hooray for 50 today!

22. Knock knock. Who’s there? Wow. Wow who? Wow, you made 50 look easy!

23. Knock knock. Who’s there? Party hat. Party hat who? Party hat’s off to you at 50!

24. Knock knock. Who’s there? Fun. Fun who? Fun times start at 50!

25. Knock knock. Who’s there? Cheersie. Cheersie who? Cheersie fifty years, woohoo!

26. Knock knock. Who’s there? Wowza. Wowza who? Wowza, 50 is the new 30!

27. Knock knock. Who’s there? Spry. Spry who? Spry at 50, full of energy!

28. Knock knock. Who’s there? Glow. Glow who? Glow up at 50 is real!

29. Knock knock. Who’s there? Shiny. Shiny who? Shiny 50, sparkling everywhere!

30. Knock knock. Who’s there? Happy. Happy who? Happy birthday to the big 5-0!

31. Knock knock. Who’s there? Sprinkle. Sprinkle who? Sprinkle some fun on 50!

32. Knock knock. Who’s there? Jolly. Jolly who? Jolly good times at 50!

33. Knock knock. Who’s there? Quirky. Quirky who? Quirky and 50, just right!

34. Knock knock. Who’s there? Zoom. Zoom who? Zoom through life at 50!

35. Knock knock. Who’s there? Sunny. Sunny who? Sunny side up at 50!

36. Knock knock. Who’s there? Smarty. Smarty who? Smarty at 50, wise and fun!

37. Knock knock. Who’s there? Bubbly. Bubbly who? Bubbly at 50, cheers to you!

38. Knock knock. Who’s there? Rocky. Rocky who? Rocky fifty, strong as ever!

39. Knock knock. Who’s there? Snazzy. Snazzy who? Snazzy at 50, looking fine!

40. Knock knock. Who’s there? Zippy. Zippy who? Zippy 50, full of energy!

41. Knock knock. Who’s there? Vintage vibe. Vintage vibe who? Vintage vibe, 50 years in style!

42. Knock knock. Who’s there? Laugher. Laugher who? Laugher all day, 50 is fun!

43. Knock knock. Who’s there? Groovy. Groovy who? Groovy at 50, keep dancing!

44. Knock knock. Who’s there? Epic. Epic who? Epic 50, unforgettable day!

45. Knock knock. Who’s there? Hooray. Hooray who? Hooray, 50 is here today!

46. Knock knock. Who’s there? Bingo. Bingo who? Bingo, 50 hits the spot!

47. Knock knock. Who’s there? Cheeky. Cheeky who? Cheeky 50, still mischievous!

48. Knock knock. Who’s there? Giggles. Giggles who? Giggles all day at 50!

49. Knock knock. Who’s there? Shimmer. Shimmer who? Shimmering 50, full of light!

50. Knock knock. Who’s there? Fancy. Fancy who? Fancy 50, looking dapper!

51. Knock knock. Who’s there? Peppy. Peppy who? Peppy fifty, full of life!

52. Knock knock. Who’s there? Dazzle. Dazzle who? Dazzle everyone at 50!

53. Knock knock. Who’s there? Banter. Banter who? Bantering through 50 with laughs!

54. Knock knock. Who’s there? Cheery. Cheery who? Cheery at 50, smiling wide!

55. Knock knock. Who’s there? Spunky. Spunky who? Spunky fifty, never dull!

56. Knock knock. Who’s there? Zesty. Zesty who? Zesty fifty, full of flavor!

57. Knock knock. Who’s there? Twinkle. Twinkle who? Twinkle at 50, stars in your eyes!

58. Knock knock. Who’s there? Pepper. Pepper who? Pepper fifty, add some spice!

59. Knock knock. Who’s there? Spree. Spree who? Birthday spree at 50!

60. Knock knock. Who’s there? Glee. Glee who? Glee-filled 50, happiness everywhere!

61. Knock knock. Who’s there? Twist. Twist who? Twist and shout, 50 is here!

62. Knock knock. Who’s there? Glitz. Glitz who? Glitzing through 50, shine bright!

63. Knock knock. Who’s there? Sprout. Sprout who? Sprouting fun at 50!

64. Knock knock. Who’s there? Bop. Bop who? Bopping through 50, full swing!

65. Knock knock. Who’s there? Flash. Flash who? Flashy 50, wow everyone!

66. Knock knock. Who’s there? Chuckle. Chuckle who? Chuckles at 50, endless joy!

67. Knock knock. Who’s there? Sizzle. Sizzle who? Sizzling at 50, still hot!

68. Knock knock. Who’s there? Jive. Jive who? Jive through 50 with style!

69. Knock knock. Who’s there? Fizz. Fizz who? Fizzing at 50, sparkling life!

70. Knock knock. Who’s there? Bling. Bling who? Blinging 50, shining bright!

71. Knock knock. Who’s there? Groove. Groove who? Grooving at 50, keep moving!

72. Knock knock. Who’s there? Snicker. Snicker who? Snickering all day at 50!

73. Knock knock. Who’s there? Pizzazz. Pizzazz who? Pizzazzing through 50, flair everywhere!

74. Knock knock. Who’s there? Doodle. Doodle who? Doodling fun at 50!

75. Knock knock. Who’s there? Frolic. Frolic who? Frolicking at 50, carefree joy!

76. Knock knock. Who’s there? Zip. Zip who? Zipping through 50, full speed!

77. Knock knock. Who’s there? Twirl. Twirl who? Twirl through 50, spin with laughter!

78. Knock knock. Who’s there? Peppy. Peppy who? Peppy 50, energy galore!

79. Knock knock. Who’s there? Fizzpop. Fizzpop who? Fizzpop fun, 50 rocks!

80. Knock knock. Who’s there? Sprightly. Sprightly who? Sprightly at 50, full of zest!

81. Knock knock. Who’s there? Wink. Wink who? Winking at 50, still cheeky!

82. Knock knock. Who’s there? Twinkletoe. Twinkletoe who? Twinkletoe through 50, dancing away!

Conclusion

Turning 50 is a milestone that deserves laughter, joy, and playful moments. Knock knock jokes are simple but effective ways to bring smiles to the birthday celebration. These 81+ jokes combine humor, lightheartedness, and birthday cheer to make a 50th birthday unforgettable. Share them with family, friends, and the guest of honor. Remember, laughter keeps the spirit young, no matter the age. So, knock knock… who’s there? Fun!