someone who fucks really hard.
She was such a fuckhorse my dick was sore for a week afterwards.
by Anonymous July 17, 2003
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A guy or girl who really likes to fuck
Boy, Jane sure is a fuckhorse. She's wearing me out
by derek1234 November 6, 2006
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She is a real fuckhorse, taking ten guys one after another.
by Anonymous April 24, 2003
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