1) Knock, knock.
Who's there?
Adolf.
Adolf, who?
Adolf ball hit me in da mouf. Dat's why I dawk dis way.
2) Knock, knock.
Who's there?
Woo.
Woo, who?
Don't get so excited. It's just a joke.
3) Knock, knock.
Who's there?
A little girl.
A little girl, who?
A little girl who can't reach the doorbell!
4) Knock, knock.
Who's there?
Dishes.
Dishes, who?
Dishes me. Who ish you?
5) Knock, knock.
Who's there?
Yule.
Yule, who?
Yule never know ...