smao 

snorting my ass off.

girl one: at least i wear a bra.
girl two: smao
george: no.

smao by psamps January 27, 2009

smao 

"Spanking my ass off"

A parody of lmao, best used when saying something intentionally naughty.

smao lmao spanking naughty

smao by The Du April 9, 2016

SMAO 

smile my ass off

"we need to come up with a more "trustworthy" acronym cause when i lmao i dont usually laugh my ass off... i have designed smao cause i always smile my ass off with you"

"Dude that chick is cute she had me smaoing (pronounced in conversation "smowing") all night long!

SMAO by CopenSomeGrizzly August 5, 2011

smao 

Screamin' my ass of

Annie : I just saw a rat !
Hannah : Zomg =|
Annie : I'm literally smao =O

smao by DisneyyyFreak June 30, 2009

smao 

Verb, sleeping my ass off. Parody of lmao. Most commonly used on away messages on Aim.

-Yo that party was dope as hell.

-What did u do after the party tho?

-What else, smao!!! Shute I was tired.

smao by MarkusG August 25, 2008

smao 

Initials of "Smelling My Ass Off", used in internet chats only. A parody of lmao.

- "What are you doing"?
- "smao".
- "And how's that"?
- "Pretty stink".

smao by phlegmat March 21, 2005

smao 

a better way to play the popular card game “mao”
basically strip mao.

“dude! me and jessica got to second base while playing smao”
“smao rocks”

smao by yeeeeetttttt June 12, 2018