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engaging in intercourse with a disgusting, mutilated, or otherwise leprous member of the opposite (or same) sex.
Man, did you see that fat, ugly bitch with one eye and the pegleg? Yeah, I yuck-fucked her.
by Spy December 15, 2003
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There are two ways to be a yuckfuck (also known as YF):
1. Doing something disgusting in front of another person (e.g farting)
2. Being gay.
Lachy: *fart*
Aben: That's yuckfuck!
by Welvin Da Great June 12, 2016
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Yuckfuck is the term used for two homosexual men having gay sexual intercourse.
DUDE! you like man porn. No way, Yuckfucking is nasty.
by Sqwibble September 12, 2005
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