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2.
hiphoppish for: "for sure, i'm with it."
mc peepants: "yo! zed... ya wit it?"

dj zed: "fa sho wit it"
 
1.
Down..Ready..Bout it
Are you "Fa sho wit it"
by angel March 21, 2005
 
3.
Definitely in agreement with
"I'm fa sho wit it. Whatever way you wanna do it we can flow wit it."
by August March 30, 2005