look up any word, like hipster:
 
1.
yeah we can get down to business or do something
"Is you going to the movies." "Fa Show"
by J Smooth September 26, 2005
 
2.
A response to a statement which usually means yes, or hell yeah.

Derived from the phrase "For Sure"
Person #1: "Yo you tryin' to chill tomorrow?"
Person #2: "FASHOW!"
by The Muffin Mannn August 07, 2008
 
3.
Means Okay, or Alright, yet gangsta style. Used by pimp's, gangsta's, and hoe's. (Sterling and Alyssa)
White Man: "Sir, would you like a perscription of viagra?"
Asian Guy: "FASHOW!"
by Ben Pham November 01, 2006