Top Definition
To perform an exaggerated gesture of male masturbation with one's hand in the air in front of oneself. Meant usually as a insult to somebody to whom it is directed, or as a symbol of annoyance at something which has been said. See also am.
Jim: Dude, u sux hardcore at CS!
Bob: Hey Jim, guess what? <performs air masturbation>
by RoboSpy March 22, 2004
its when you pretend the air is a penis and then you just masturbate it. if you need help come and see me.
air masturbation is where you go up down up down up down
by aammbbeerr February 04, 2009

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