My sis is very funny. Her fave joke is:
"Knock, knock." "Who's there?" "Mr. Nobody." "Mr. Nobody who?" "I just told you!"
Why did the boy drop his ice cream?
Because he got hit by a truck.
Knock, knock.
Who's there?
Europe.
Europe who?
No, I'm not a poo, you're a poo.
Knock, knock.
Who’s there?
I suck.
I suck who?
Michael Jackson.
Knock, knock.
Who's there?
Bill Cosby.
Bill Cosby who?
Never mind, I’ll come back when you’re sleeping.
Knock knock.
Who’s there?
Not the two Twin Towers.
Knock knock. Who's there? Dees. Dees who? Dees nuts!
(Or dees nuts in yo mouth!)
Knock knock.
Who's there? It's the Grim Reaper.
Grim Reaper who?
The Grim Reaper who is about to come in your house, smoke some weed, drink some Grim Reaper liquor, and then get drunk.
"Knock, knock."
"Who's there?"
"Aarghraawa."