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It is when a guy fucks a girl in the ass after she's just taken a shit. He gets feces on his genitals and continues to slap his shitty balls against her while he slams her.
While staying at the Omni Hotel in Montreal, Juanita received a Montreal Mudflap and had to clean the shit off her coochie.
by Juanita Gomez June 06, 2009
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