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The act of masturbating very quickly when given a narrow window of time. Usually occurs when there is a brief period of time when one can masturbate without being seen by others.
I got a lap dance from that hot chick at the strip club and then I went over in the corner and had a fast jack while no one was looking.
by computerguide18 November 16, 2011
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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