Top Definition
A phallic contusion in the shape of a mushroom inflicted by a forceful blow of a penis to one's body.
by TubesteakNyourI May 16, 2003

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A fierce cock slapping used to instill obedience through domination
"Bring me my eggs bitch or suffer the wrath of the mushroom bruise."
by johnny walker November 29, 2003

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To whack a girl on the head mainly aiming at the forehead with the head of the penis
Alex left a mushroom bruise on Traci and Chanti, it looks like they converted to Hindu now...
by German Gheppetto June 21, 2006

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A bruise, in the shape of a mushroom, obtained by being slapped with a large penis or penis-like object.
"Dude, I can't believe you goin' out with the new girl from accounting!"
"I'm gonna mushroom-bruise her ass, just for you. Just watch -- she won't be sittin' straight for a week."
by Dharma Midget September 07, 2016

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The purple or pink hematoma left by Clint Eastgoode's cock hitting your cheek.
That hit Sandy received last night left a sah-weet mushroom bruise!
by JeepGurl November 02, 2010

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"After my bitch was done suckin my wang, I gave that HO a mushroom bruise"
by Stinko Man February 04, 2003

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The Urban Dictionary T-Shirt

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