Joke: Knock knock!
Who's there?
Dexter!
Dexter who?
Dexter halls with boughs of holly.

Joke: Knock knock!
Who's there?
Mira!
Mira who?
Mira Mira, on the wall. You're the prettiest of them all.

Joke: A man and his wife are both mathematicians. He is leaving for the store so he asks his wife if she wants anything. She yells in his face, "4!"

He wonders why she yelled at him, but thinks for a moment and brings back two dozen eggs.

Joke: Knock knock!
Who's there?
Egg!
Egg who?
I'm egg-cited to be here!

Joke: A man explains to his girlfriend that his pants were especially made for dancing. She asks him, "Ballroom?"

He replies, "Not much."

Joke: Why did the prostitute jingle Santa's balls?