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1.
"for sure, without a doubt"
"better believe it!"
my man Denis has a lumpy head, fo shizza!

Eoin is a funky lookin nizza, fo shizza, fo sheezy!!!
by Wes September 15, 2003
 
2.
For sure, definitely, bet!
Fo shizza my nizza,
by killflow October 17, 2002
 
3.
for certain
Wes, from South Central Santry, has no hair, fo shizza
by f September 17, 2003