What's the best knock-knock joke you've ever heard?

@megumiart (3771)
United States
November 28, 2007 5:47pm CST
I can't think of any good ones; i haven't heard knock knocks since I was a kid.
2 people like this
4 responses
mamasan34
@mamasan34 (6518)
• United States
30 Nov 07
Knock Knock Who's There Boo Boo Who? Don't cry! It's just me!
2 people like this
goldencici97
@goldencici97 (330)
• United States
16 Aug 08
This one isn't the best, but it's still good: Knock Knock! Who's there? Old lady. Old lady, who? I didn't know you could yodel!
Cajunhellcat
@Cajunhellcat (2073)
• United States
30 Nov 07
I canj't remember any here myself but I know I have heard them for as long as I can remember
Stephanie5
@Stephanie5 (2946)
• United States
29 Nov 07
Knock Knock Who's there? Banana Knock Knock Who's there? Banana Knock Knock Who's there? Orange Orange who? Orange you glad I didn't say Banana again!?! LOL, it's so dumb, it's funny! HA