What's your favorite "Knock-Knock" joke?

More Questions. Additional questions in this category.

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  Knock Knock! Who's there? Yo momma! Yo momma, who?
  by kanjalid on May 11th, 2005 | 7 people like this

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  Knock, Knock...who's there?
  by SELENIUM_TEST_83335 on June 16th, 2010 | 1 person likes this

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  I am having a good _________
  by bingozone on December 9th, 2011 | 2 people like this

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  What do you call a conservative that takes government hand outs?
  by Mister_Bromide on September 25th, 2011 | 4 people like this

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  Knock knock; Who's there?; You know; You know who?; Exactly. AVADA KEDAVRA!
  by BetterThanIpodNano on January 16th, 2008 | 1 person likes this

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