Shiz 

1. Sure or For Sure, most likely derived from "Fo' Shiz" or "Fo' Shizzle"
2. Shit. Most likely derived from "Shizzit."

Marisa: Hey, are you going to Battle of the Bands?
Alison: Shiz man.

"What a piece of shiz!"

Shiz by Alison May 16, 2005

shiz 

Totally awesome!

Did you see that jump? He is the shiz!

shiz by kpal October 13, 2008

shiz 

- commonly used in times of excitement or great disbelief
- within the 21st century, the word shiz has been used in different context, not only to highly disagree with somethin but to support it and congratulate someone

derived from two words

1. Sh = shit
2. iz = it is

b1: i'm pregnant with twins
b2: ohh shiz

shiz by honeyfactory June 23, 2009

shiz 

the powdery stuff at the bottom of cereal bags, bags of chips, and bags of corn nuts.

Gosh danggit, why do i always get the shiz in my cereal bowl?

shiz by Pete Paulos April 6, 2003

Shiz 

Better way of saying shit. Started by Missy Elliot.

What the Shiz!

Shiz by Brianna April 2, 2004

Shiz 

another form of "sure"

Yea, you're right-fo' shiz

Shiz by qsays August 28, 2005

Shiz 

when you shit and cum at the same time.

"...damn i can't help it...but everytime she goes down on me i shiz myself"

Shiz by Rory H. credit to Sonia March 14, 2010