FMFAO 

Freezing My Fucking Ass Off

It's cold as balls out here, I'm FMFAO!

FMFAO by RyanGinger December 23, 2011

FMAO 

1) Acronym for "FUCK MY ASS OFF".

2) A combination of the popular internet phrases "FML" and "LMAO" which can be used in a variety of contexts.

3) An expression of frustration.

4) An expression used to describe sexual activities.

"FMAO, girl! I got blackout and backed into your brother's friend's car last night! FMAO!"

"I tried to have a friendly BBQ and it turned into a goddamned shit show. FMAO!"

"I FMAO'd last night... LIKE A BOSS!"

FMAO by Maria & Dan June 21, 2009

FMAOL 

Fuck My Ass Off Laughing
This is just LMFAO, switched around, for a new, funner word that you and your friends can say to eachother and confuse the fuck out of other people, and fmaol at their cluelessness.

Jim - Dude, i totally FMAOL'd when i found out derek's girlfriend had a cock...that's bigger than mine.

FMAOL by cockboybuttslut February 1, 2010

FMAO 

Although it is an abbreviation that stands for "freezing my ass off," FMAO can stand for many things, such as "farting my ass off."

Holy Shit! I should have worn a coat today, I am FMAO!

FMAO by fabcookie96 December 6, 2009

FFMAO 

Fucking farting my ass off

Billy: Travis- bring me gasx on the way home.. FFMAO
Travis: Ugh. Billy, you should’ve known that Mexican food wasn’t gonna sit well.. omw

FFMAO by Kakialeichem July 25, 2019

FMAO 

Used to abbreviate Freezing My Arse Off - originates from the infamous LMAO (Laughing My Arse Off) but is used when one is cold.
First used on myspace.com

John: "It's serioulsy cold today!"
Dan: "Too right - I'm fmao here!!"

FMAO by James Cartman December 26, 2008

FMFBAO 

freezin my fucking black ass off

dude, i'm FMFBAO
dude, my ass isn't black, so i guess im just FMFAO

FMFBAO by B! from the radddddness December 20, 2008