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
1 more definition
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