Top Definition
When a man possesses such a freakishly large penis that he ruptures his partner's abdominal cavity during intercourse, resulting in penetration of the intestines.
"Being hung like a horse ain't all it's cracked up to be. I accidentally gave my girlfriend a gutsfuck the other night, and now she's in the hospital."
by Buck Satan February 17, 2007
1 more definition
When a man possesses such a freakishly large penis that he ruptures his partner's abdominal cavity during intercourse, either vaginal or anal, resulting in penetration of the intestines.
"Being hung like a horse isn't all it's cracked up to be. Last night I accidentally gave my girlfriend a gutsfuck, and now she's in the hospital."
by Buck Satan February 15, 2007

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