Meaning definitely, tottaly, for sure. Faux gangsta slang. Used by white girls who think they are cool. =)
by reverseTHIScurse April 10, 2008

by Necroa March 14, 2022

FOS pronounced as False. Meaning Full Of Shit, some one who tell obvious lies to exaggerate there lifestyle.
by TheRealKennis March 11, 2017

by Hot Chicky Babe January 31, 2020

by ProEx December 7, 2023

"Fo Nem" Fo being slang for "fore"which is short for {fo-parents} "foreparents" i.e. ones ancestors. So "on fo nem" means to swear by the graves of parents, grandparents, great grandparents, and so on back for generations which is in turn the definition of "foreparents".
by 86 BlackLion 86 December 26, 2023
