the act of putting shit on a unconscious naked girl's ass so when she wakes up it looks like she shit herself.
hey bob! I went to this party the other night and gave a girl a dirty mannequin. Needless to say her undies will never be clean again!
by twatiana August 23, 2009
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Dirty Mannequin • dirty • Dirty Bird • dirty south • dirty harry • Dirty thirty • dirty d • Dirty Mike • dirty pillow • Dirty Bomb