It's the contraction of the words "it is" so it's the same as "it's".
Itz clean, nigga! The cops are gone!
by Hard Buddy June 22, 2005
Top Definition
"iTz" is a statement of self-misconception that putting things like multiple x's, MLG, "legit", and "iiTz" in combination for a pseudonym will make one totally badass. Generally, these specimen are annoying prepubescent teenagers, or self-righteous douchebags of an older literal age (versus an older mental age).

Warning: Do not attempt to interact with these species (one specimen might be identified as something along the lines of "iiTz lEGiT MLG pRoO xXx"), as they will often challenge you to a one-verse-one duel. Denial to the challenge will result in a incessant condescending speech explaining (without logical sense) why you are a small cat.
Guy: "Nice game, everyone."

xXiiTz NaZtyy QuiikscopzXx: "Fuck you! I could take your ass any day! Let's go, one-on-one, bitch!"

Guy: "What?"

xXiiTz NaZtyy QuiikscopzXx: "Ha! You pussy, you can't even take me on a one-on-one! You fucking suck! I'm going to tell everyone how much of a fucking loser you are because you back down when there's a real challenge! Faggot!"

Guy: "Ok..."
by DarkChaos319 April 28, 2010
Initials standing for "in the zone", which was a popular Halo 2 clan.

Often mispercieved as meaning "it's" by the people that use it in Halo 3 and elsewhere today.
Someone unaware of the meaning of it might have the gamertag OMG iTz... or WTF iTz...
by Schwiga January 07, 2009
Incorrect spelling of the word "It's."

Commonly seen amongst the Halo community, often used by people who have the mindset that they are MLG Pro, and will step to any noob who thinks they can win a 1v1 match.
"Hey man, I'm going to make a new gamertag...any ideas?"

"Umm...MLG SpyDer?"

"Nah man that's gay. How about iTz HardAzz?"

"That's good. Make it iTz HardAzz v2 though"

"Good call"
by Eyce12 February 08, 2008
itZ is an acronym. An acronym for Indie Techno Zombies. itZ is basically a group of individuals who enjoy journeying and climbing windmills. Well, currently the only windmill within walking distance, but they have still adapted it as their mascot, in a sense. The reason for the name?
Indie - One of the styles of music they have become engulfed in.
Techno - The music of journeys, which are always had on foot.
Zombies - By their habits. A strange amount of energy, an odd manner by which they act, and their dire thirst for human flesh and brainmeats.
I'll have some time after school, wanna head over to the itZmill and sleep for a bit?
by Gart May 17, 2006
a game played to find a persons hot spot
i played itz last night with my girlfriend
by hi my name is........ June 10, 2010
1) Someone on urbandictionary who is very egotistical.

2) Often used to replace the word 'its' because it is considered 'cool' by many stupid, chilidish, insecure, and annoying people.
itz: 'Don't try to define my name, bitch'

i tink itz becuz they they are, liek, st00pid.
by Itami June 30, 2005
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