The Ultimate Knock Knock Joke Posted on December 6, 2017December 6, 2009 by admin Person 1: Wanna hear a knock knock joke? Person 2: Okay! Person 1: Say knock knock. Person 2: Knock knock! Person 1: Who’s there? Person 2: Eh…um…uh… Person 1: Hahahahaha! Spread the love Related posts: Knock KnockWho’s there?Scold!Scold who?Scold outside! Burglar Knock KnockWho’s there?Tripoli!Tripoli who?Tripoli play! Knock KnockWho’s there?Welcome!Welcome who?Welcome up