Definitions by McBoner

FNS 

Fake Nigga Shit.

Used when someone's actions denote lameness, or a lack of agreement with a code of morality (bro code, etc.)

Person 1: "Yo, fuck your hometown! That shit is lame."

Person 2: "Damn son, why you gotta hurt my feelings like that. That's on some FNS."

FNS by McBoner July 5, 2012