"High Brow Washington Post Jokes" joke

Here are a selection of jokes from the Washington Post -- if you don't get' em, the * are explained at the bottom...

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JOKE 1

An American tourist in Italy is constipated for a week, but when he arrives in Florence, the water is better and his condition goes away. "With Firenze* like this," he said, "who needs enemas?"

JOKE 2

Dr. Smith: My son passed calculus* but he wasn't at all happy about it.
Dr. Jones: Why not?
Dr. Smith: It was the size of a pea!
Dr. Jones: Hahaha-ha.

JOKE 3

A young American woman is touring Germany. She is walking down the street when a sleazy guy jumps out of an alley and opens his raincoat. "Ewww," she shrieks. "That's gross." "Danke schoen," he says.

JOKE 4

Did you hear about the incompetent Hawaiian vulcanologist? He didn't know his a'a's* from a hole in the ground.

JOKE 5

George Bush: Who's* on first?
Ariel Sharon: Me?*
George Bush: No, the guy on first base.
Ariel Sharon: Me?
George Bush: You are on first?
Ariel Sharon: No, I'm asking you. Me?
George Bush: Who?
Ariel Sharon: Wait, you mean that fellow over there?
George Bush: So he* is on first?
Ariel Sharon: What are you talking about? There are no girls on this team.
George Bush: So who's on first?
Ariel Sharon: Me?

JOKE 6

Q: Why did the recently crowned Miss Argentina blush?
A: Because she was embarazada!*

*explanations

Joke 1: *Firenze is the Italian word for Florence.

Joke 2: *In medicine, a calculus is a kidney stone.

Joke 3: *In German, gross means large, or great.

Joke 4: *A'a's are a type of lava found in Hawaii.

Joke 5: *In Hebrew, the word meaning "who" is pronounced "me"; the word for "he" is pronounced "who"; and the word for "she" is pronounced "he."

Joke 6: *In Spanish, embarazada means pregnant.