Top Definition
during the part of anal sex, if a the women was constipated and she lost control of her bouls, leaving shit everywhere, the man proceeds to catch the feces in his hand and slaps her in the face with her own poop. resulting in the famous Utah Mud Slam.
while burt was ass pwning janice, janice warned burt that she was constipated, and that have anal sex might loosen up all the junk in her trunk. so burt tells her he has it covered, while he finishes in her ass, he pulls out quickly. janice looses all control of her sphincter, and bouls. burt then catches her poop in his hand, and in one good motion, he gives janice one good slap across the face resulting in a Utah Mud Slam.
by SCullaryCHarge April 13, 2010

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