look up any word, like b4nny:
 
1.
for sure!
Are you rollin wit us to da club?
Fo Shizzo!
by Soyini December 23, 2003
 
2.
an abbreviated use of fo shizzo my nizzle (or whatever). to be sure. valley girl lingo: for sure
Q. "do you want to have sex with me?"
A. "fo shizzo."
by conneca September 20, 2003
 
3.
for sure; absolutely
Oh.. foshizzo yo, that WAS whack!
by Michael April 29, 2003