riff

In Comedy: To involve the audience and to play off of them for humor in a stand-up routine.

Rich Vos is excellent at riffing and working a room.

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Kill

In comedy: To do well and to get lots of positive audience feedback.

I killed at the Comedy Store sunday!

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hack

Noun: Someone who steals a joke from a comedian or uses a played out joke/premise.

Verb: To steal a joke or use a played out premise.

Noun: What a hack!

Verb: Way to hack cellphone rings!

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Bomb

In Comedy: To get little or no positive crowd response

Bonnie McFarlaine bombed on Last Comic Standing 2 against John Heffron.

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