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3.
More Core language coming from the streets of High Wycombe, England. This is used when you immediately demand clarification of a statement, generally one that will produce a positive remark. Often said in block capitals. Not to be confused with 'isit?', which carries a different meaning.
Alger: "I got off with bare girls last night."
Lurse: "IZIT?"
Alger: Yeah man.
by Simjob March 29, 2005
 
1.
The best word ever basically a word which can be used at any random moment to start a conversation or carry it on :) it also shows all sorts of emotions like the angry izit, the cool izit, and the curious izit :O
John: I Got A Cat
Dave: Izit?
John: Yeah Man
Dave: Izit?
John: Yeah Its Grey Init
Dave: Izit?
John: To The Max

Or

Dave: Izit?
John: Izit init?
Dave: Aite Wun x

Or

Dave: John I Broke Your Catfish :O
John: IZIT!!! YOU GAYHEAD :|
Dave: Aite Wun
by Mr Jeans March 17, 2008
 
2.
To ask a question lazily or Pretend your listening, or just confirm what they are saying
E.g Someone says: I am gona take him out
You say: Izit?
by Chrisdamainman August 04, 2005
 
4.
The red circular notification icon on the iPhone, iPad, and iPod display.
Geez, look at all these iZits! I've never had so many notifications.
by DCB01234 November 08, 2010