Currently on a few CoD games, it is a banned clantag for the consumer except the creators. The only way through getting it is hex editing one's clantag which is fairly easy.
IW stands for Infinity Ward. Also used for short to reference to Infinity Ward.
Online Friend:FUKING IW!!
Me: You mad bro? What's wrong?
Online Friend: I CAN'T USE IW AS MY CLANTAG!
Me: Here, I'll hex edit your CT.
by Kirby a.k.a Mr T0RR3NT June 20, 2011
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Antonym for: It's Whatever.

A nonchalant, chill attitude; to be easy going; relaxed and not worried.

(Aka - iw, I.W.)
Guy 1: Hey man I heard you guys lost your game?
Guy 2: iw .. no biggie

Guy: Why didn't you call me back yesterday?
Girl: I was busy .. iw
by iwandco. November 23, 2010
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Institutional Whore

see institutional
see whore
by Sir George September 25, 2004
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Infant Wang Syndrom. used to describe some one going through a mid life crisis.
That guy must have IWS because he just bought a 100,000 dollar car.
by CaseyMoonLikesCatAss July 05, 2005
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Man:What should I send

Other man: iws
Man: what
Other man: I wear socks
by Psefkfnykdlemirnwrjrj April 14, 2018
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IWE Weddings and Events is a small business owned and operated by Jamaicans. We provide excellent planning & coordination, efficient customer services and professional advice for our customers locally and Internationally
IWE Weddings, "A international Wedding, Planning business.
by MISS Jamaica January 08, 2019
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