When your girlfriend/wife straddles your leg and her vagina suctions on like a wet toilet plunger in a toilet.
Last night Theresa gave Mike a dirty suction cup, Mike said he had to scrub his leg for an hour to get the smell off.
by DaRth79 January 13, 2014
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dirty suction cup • dirty • Dirty Bird • dirty south • dirty harry • Dirty thirty • dirty d • Dirty Mike • dirty pillow • Dirty Bomb