SMFAO

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"

by Jay<3Tee April 14, 2010

SMFAO

Sweating/ed

My

Fucking

Ass

Off

!

This Past Summer When Ever I Went Into The Attic

I D SMFAO ! It Was So Fucking Annoying !

by D-ROC21 September 14, 2011