Used to describe someone that is very unpleasant. An extremely disliked person.
Bruce is such a yainch!
All Norm does is yainch all day.
by The Rhino November 04, 2005
Top Definition
nasty, smelly, pussy. pussy that has an odor similar to that of old tuna fish, or pussy that is very hairy and unmanicured
I took sarah home last night and had that bitch butt-ass naked, but i soon ended dat shit after i saw that fat, stanky, gorilla yainch
by Xenos Llyod Clarke February 16, 2010
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