Knock Knock!
Who's there?
Lisa.
Lisa who?
Lisa you can do is let me in!
Knock Knock!
Who's there?
Yachts.
Yachts who?
Yachts up, doc?!?
Knock Knock!
Who's there?
Lionel.
Lionel who?
Lionel bite you if you put your head in its mouth!!!
Knock Knock!
Who's there?
Yehuda.
Yehuda who?
Yehuda dance all night.