When a guy takes his hard dick, after having anal sex and swings it as hard as he can, hitting a person (hopefully a girl) on her cheek with his penis. If done correctly it will leave a mushroom imprint for several minutes with a lasting red spot afterwards and a nice brown mushroom stain.
by zack dazuk July 7, 2011
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Dirty Mushroom • dirty • Dirty Bird • dirty south • dirty harry • Dirty thirty • dirty d • Dirty Mike • dirty pillow • Dirty Bomb