look up any word, like blumpkin:
 
1.
the coolest, awsomest thing you could ever think of. this thing is beyond the coolest thing you can think of.
Jimmy: I got this mountain bike it is so cool!
Humphrey: Well I got this BMX it is the shiznitz!
by little chica January 22, 2009
 
2.
the shit, all that (and as some would say "and a bag of chips")
He/She acts like he's/she's the shiz-nitz.
by Kiki April 20, 2003
 
3.
Used in place of words such as stuff, objects, belongings, etc. First used in Gloucester County, NJ........others are bullshibbin.
Get your shiznitz together.
by Phunky March 15, 2003
 
4.
in other words im cool im the shit
im the shiz-nit
by paco August 18, 2003
 
5.
When you can't get something right the first time you do it you say this.
You just lost on a video game for the first time and you shout Shiznitz bitch.
by Ephezziebiatch July 13, 2010
 
6.
a shitty bitch
the girl is such a shiznitz
by Keyoko February 27, 2004