What is Kentucky Mud Flap?
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"A Kentucky Mud Flap is when the guy puts his scrotum up his ass and then while he's doing his chick (or man) the 'mud'(shit) that was on his scrotum is 'flapped' onto the partner's genitals."
The Kentucky Mud Flap is kinda like dipping your balls in pudding and slapping it onto your partner.
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