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A violent sexual technique used on the penis. Can be considered sadistic and/or masochistic. Using one hand too masturbate and the other open hand to "Crush the Mush" in unison with upstrokes.

AKA - Mushcrush and Capslap
"Dude, that crazy bitch gave me the mushroom crush so hard my dickhead looks like a bloody plate"
by TrueRange October 30, 2009
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