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When you are having anal sex with someone who has diarrhea and their diarrhea leaks all over the genitals and all over the area you are engaging in the anal sex
Guy #1: "So dude, you have sex with your girlfriend earlier?"

Guy #2: "Well i wanted to try anal sex with her cause i never tried it before. She didn't tell me she had diarrhea though, so it got everywhere."

Guy #1: "You gave your girlfriend a chocolate horse. haha you sick fuck"
by MPD95 June 13, 2011
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