Top Definition
Acronym for "I will cut u".
What nugga? Dun mess...IWCU.
by Leo Kang June 23, 2003
"I win because you suck"

I Win Coz You Suck = I.W.C.U.S.
Used to answer to ragers or just plain being an asshole in games, mainly shooters.
<r4gINGn0oB> OMG NOOBTUBE SPAWNKILL OMG OMG
<Ruben> blow me, iwcus.
by R3WB3N November 16, 2011
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