What does a mathematics professor do when he is constipated?

He works it out with a pencil.

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Pencil Jokes More Pencil Jokes

Why can't a nihilist use a pencil?

because they cant find the point.

Why don't pencils and graph paper get along?

Because they're made out of graphite

Constipate Jokes More Constipate Jokes

What do you call a constipated German?

Farfrompoopin.

What's the difference between a blind sniper and a constipated owl?

Everything. They have absolutely nothing in common.