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Smoking
My
Fucking
Ass
Off

An acronym used by smokers via text or instant message to tell the person on the receiving end that they are smoking.
Stevie: "yo where you at?"
Joe: "At the coffee shop smfao"

Wizzle: "What you dooin on 4-20?"
John: " Chillin on the corner smfao"
SMFAO by Jay<3Tee April 14, 2010
Related Words
Symfao SMFAO symfad slmfaorn SYFAO symfatizer SYMFO symfonie
This Past Summer When Ever I Went Into The Attic

I D SMFAO ! It Was So Fucking Annoying !
SMFAO by D-ROC21 September 14, 2011

symfatizer

1.Someone who symphathizes with or, to a slighter degree, tolerates someone that is overweight.
2.A belief that gives no value to being fit.
Don't say that guy is cute, he weighs like 300 lbs; You're such a symfatizer.
symfatizer by Caganer August 11, 2010
SYFAO is an abbreviation for Swear Your F*****g Ass Off
SYFAO by licon4812 October 23, 2018

symfonie 

1. she will be a crybaby at times, she is not the funniest person you will ever meet she will also be irritating most of the time. she is also not good at sports.
She is such a Symfonie.
symfonie by caren June 20, 2020
Omg, I’m SLMFAORN, why are you so fucking funny?!!
slmfaorn by Skittens2 August 23, 2020