Fasst

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 3, 2007

fasst

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

fassting

Fisting in the ass. (see fisting)

My wife was bored with vaginal fisting, so last night we tried fassting. She loved it!

by Tommy Gugliata August 4, 2009