Top Definition
n.
1. Characterized by strong feelings of pleasure reserved exclusively to the arm, accompained in the process of ejaculation.
Liam loves to give himself armgasms every Friday night.
by Paul Phoenix April 15, 2008
1 more definition
When a mass amount of sweat comes out of your armpits.
After Dave finished his workout he noticed that he had an armgasm.
by Bill Wong June 22, 2011

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