A hyphy way of saying "fast". Popularized by a song by Kafani featuring Keak Da Sneak.
Dat whip is goin' fasst as a nascar.
by Jason Man April 02, 2007
1 more definition
to do sumthin with extreme speed!! Orgin is from "kafani" when he made the song "fasst like a nascar"
Bruh Wanted to chunk em so i got active fasst.
by Dee Jae February 13, 2008