a primordial way of smacking down a verbal challenge that questions the author's software development skills.
sachin: How do you know the classloaders work that way?!
greg: 'coz I wrote it!... bitch
by Anonymous May 27, 2003
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chav/gangsta speech for 'is this because i am...'
also used in amusement when talking to security guards.
Person 1: Yo, I'm gonna beat youz to shizzle.
Person 2: ..Iz it coz i iz blackkk mofo?

Security Guard: What are you doing in here?
Kid: Iz it coz i iz bla..bla.. (notices guard is black) ..wearing misfits?
Kid's friends: *break down in hysterics*
by CityofEvil July 14, 2007
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Leet speak for 'of course'.
by batso September 21, 2007
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A word used to let someone you are a complete moron.
Yo, I knew he was a moron coz he just told me.
by M15T3R E August 12, 2022
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"Yo, coz"
by zyx6 May 6, 2018
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