FAC 

Friday Afternoon Club. Bars have drink specials, possibly pool tourneys or music shows to celebrate the end of the work week.

"You want to go get a drink Friday after class?"

"Can't, I have to work FAC at the bar."

FAC by Bartender Betty October 4, 2008

Fac 

Known offence way to swear before your old enough to say fuck

Mom I didn't swear I got mad at my girl n told her to fac her self so fac off

Fac by Level.n.r.e.i.c.all October 17, 2015

FAC 

An acronym for the phrase "Fat Ass Cunt."

Person 1: Dude, Jayme is pissing everybody off.
Person 2: Grr.. Everybody hates that FAC.

FAC by Bobby Rodriguez January 7, 2007

FAC 

Fat Ass Cock.

Damn bro you got a FAC.

FAC by poosucka September 1, 2020

fac 

it's like fact, but realer.

random: bro attack on titan is so bad
me: fac

fac by omerboner February 19, 2022

FAC 

Military acronym for Forward Air Controller. A forwar Air Controller flies over enemy targets in a light aircraft, usually propellor-driven, and marks the targets that the strike aircraft and at times ground artillery need to attack. With the advent of recent advances in sattelite reconnasaince and UAV technology, the Forward Air Controller has become a thing of the past

FAC by JonathanChance September 30, 2003

fac 

Another word for fag. When said fast it sounds like "fag" but indeed you are not sayin fag you are saying "fac". If you are called a "fac" you probally did something really stupid in life and deserved it. It can also be used as a gretting when on the phone. Also the second word to Phant0m chief. His real name is Phant0m Fac.

*Ring Ring Ring
Chris- Hello
Vinny- Fac!
Chris- Fac!
Vinny- What the hell are you doing playing with your ass get on halo.

fac by ShonkaMan April 19, 2006