When a man puts his penis part way into a woman's mouth yet continues to pleasure himself manually till he shoots manchowder down her throat.
Kelly had to mouthsturbate her boss to get a promotion.
by WhiteRussian3 October 11, 2011
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To pleasure one's mouth by noisily smacking and popping one's gum. Often done in public.
One should mouthsturbate in the privacy of one's home only.
by GentleReader July 11, 2008
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The act of your mouth watering (or in this case, jerking off) to the sight of delicious food
Guy 1: Dude, that Bacon could cause MOUTHSTURBATION in less than a millisecond

Guy 2: Yeah, I can't wait to eat it!
by PrfsrNrwhl657 July 1, 2013
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