look up any word, like darude - sandstorm:
 
1.
Acronym for Yeah I care so. Origin found to been Park High School, in Cottage Grove, MN.
-Hey I just got an A on this paper.

-YICS
by TheSkinnyPHS September 15, 2010
 
2.
Stands for Yeast Infected Cunt Scab.
1) An exaggerated product of said infection
2)see douchebag
3) Bridgette
Bridgette the irish gender-confused leprachaun pirate is a big smelly YICS
by Dr. FuH-ZOoLeE September 24, 2004