faf 

Faf means "funny as fuck." Usually used on online chat sites when something is funnier than lol or lmao.

Guy: Faf!!!!
Girl: I know, it was histarical when she tripped.

faf by kiwitiwi33 June 22, 2006

faf 

Funny as Fuck....instead of saying lol, you say faf.

Jasmine: "Remember when John fell down the stairs?"

Katy: "Oh yeah! That was faf!"

faf by EssenceE. December 9, 2008

FAF 

short for Fine As Fuck. Normally used by guys describing something really nice looking

yo hommie,your sis is FAF, hook me up.

when she raised her dress it was like bammmm, that ass was FAF

FAF by Brandon Williams, D.D.G.G. June 23, 2004

FAF 

Meaning: Fake As Fuck
A term meaning that someone is not real (fake) and their back stabbers and will talk crap behind your back. They will also believe others more than the person that means the most to them.

Brandon is being Fake As Fuck.

He's such a back stabber, he's FAF. fake af backstabber self-centered jerk immature

FAF by Twilight tilly March 19, 2016

FaF 

FaF ; Fancy as fuck

"Are you wearing a top hat? Oh my god cunt you are FaF!!!

FaF by MaccaGoodJobCowboy March 18, 2017

FAF 

Acronym for Full As Fuck, especially after having something particularly delicious.

I had some fried rice and eggs, I'm FAF

FAF by Penguin #2 September 10, 2018

FAF 

Full As Fuck

Man 5 bucks for unlimited wings was a bad idea cause I'm FAF.

FAF by J2D Coleworld October 7, 2018