Used as a synonym to denote something "nasty" / something ridiculously nice.
Taken from Kanye West feat. Pusha T & Ghostface - New God Flow:

I came aboard for more than just to rhyme with him
Think ’99, when Puff woulda had Shyne with him
Matching Daytonas, rose gold on us
Goin' H·A·M in Ibiza done took a toll on us
by RBK79 November 29, 2012
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An accomplice or partner who aids in getting an older person (50+) to partake in narcotics.
Yo, that yuck right there is trying to get my grandma to smoke some weed.
by Charles Golay August 28, 2017
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Derogatory term for a white person; or proper term for a racist white person.

Normally I don't fight fire with fire but I found this one to cut reasonably deep.
Boy what be's you think you's doing up in this here seat?
--Can it Yuck.
by Ten Point Plan March 15, 2006
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A term for someone who is unpopular and UGLY. Someone or a group of people who you wouldnt want to assosiate yourself with. Usually are greasy nasty creepy .
"Ew, Look at the yucks over there"
"Dont talk to him! Hes a yuck!"
by Teapotlid May 29, 2009
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another form of a single dollar
Yo son let me hold a Yuck.
Dat nigga owes me a yuck from the bet
by Luse Change December 10, 2004
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An acronym for,

Yonder Under Cause klakkitycaidenlovesnicole.
C****n:Hey Rupert, YUCK!

N****e:C****n, I love you!
by MeowMyMix February 17, 2010
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