Relating to someone that is immature and believes "farts are funny" or does other acts of being not mature. Tends to be major noobs that think they're good at lacrosse and drop-shot in the call of duty series. They think they're word life because they use the scar-h and the G11 assault rifles. And they call everyone "Mon" or finish names with "zo" ex: Mallory "Malzo" original fafs were at Lorne Smith lax camp. Bad to be a faf
Kyle Mon, DarthFadder, TastyxMe10n, James "skeetin" Beaton tend to be fafs. Also other tasty and frosty clan members. Kwalk=ney Anel
by Creatoroffaf December 13, 2010

by Christian Michael March 27, 2009

by ParkMyCow October 14, 2014

when a girl texts a guy she's never going to get over, and talks shit about the people she call's her friends.
dude amanda's faf!
dude amanda's faf!
by fhehfrhkdhg October 26, 2010

A texting acronym used to describe a mild sense of euphoria (usually caused by smoking bud)
F a F
FAd-Ed As- FUck
F a F
FAd-Ed As- FUck
Text message conversation
Amilio: So what's up Charles?
Charles: Faf
Amilio: Nice bro, stay faded :)
Charles: Firme
Amilio: So what's up Charles?
Charles: Faf
Amilio: Nice bro, stay faded :)
Charles: Firme
by JorHey Luis January 23, 2011
