On Fo-Nem

"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".

Ill see yall on Tuesday bro, on Fo-Nem Imma be there.