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What is black when clean, and white when dirty?

A black board.

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When everyone quit the baseball league except Joe, why wasn't Joe upset?

Because now he was in a league all by himself.

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What's another name for sharks?

Vicious fishes.

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Why did Jill get so emotional when she moved form one apartment to another?

It was a very moving experience.

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How are governments sometimes similar to sunglasses?

Both of them can be polarized.

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What didn't Alan understand about the Humpty Dumpty nursery rhyme?

How were the king's horses involved in putting Humpty Dumpty together again?

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When Natalie was sick, why did she touch the water well?

She wanted to feel well.

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What is it called when husbands tell puns to their wives?

Pun-ishment.

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Why did the prisoner break out of jail?

Because he couldn't finish a sentence.

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Why didn't ancient man understand the world of the stars?

It was over his head.

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What happens if you ask your builder not to carpet the steps in your house?

He'll give you a blank stair.

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What is an expert in making signs called?

A sign-tist.

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