smo
adj:: so straight that the word straight is too unstraight to describe it.

Antonym:: unsmo
Girl 1: Oh my god you're so hott.

Girl 2: Um. I'm smo, thanks.

Girl 1: Oh. I'm sorry. I was unaware.
by Made line October 14, 2008

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SMO
Stimulate Multiple Orgasms. The art, perfected by few, of stimulating a woman into multiple orgasms.
Wow he really knows how to press my buttons. He SMOs like the rushing waves of the crashing sea.
by littlemissperky March 05, 2008

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SMO
acronym: suck me off.

common uses: retorts, commands for hoochies, and playful banter.
Police Officer: Your license and registration please...
Neil: SMO!
by Neil F. December 20, 2006

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Smo
Nobody actually knows what the hell this means, but we think it's the act of being mean. Contrary to popular belief, smo is NOT the act of being mean, nor it is "suck my ovaries" or whatever definitions there are.
Smo is just..smo.
Can be used as an adjective, noun, and a verb. All at the same time. That's right.

Osaka- Smo on!
by i loveeeeeeeeeee free water! March 19, 2009

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smo
SMO = Sort me out

Smo is an acronym for "sort me out". Its used to state that you want something that another person has. IT could be anything ranging from ice cream to winning the lottery. its simply a desire to own what another person possesses.
"i just bought a toffee donut" - guy 1
"SMO!!!" - guy 2
" nope, its mine" - guy 1
"okay well then smo me later" - guy 2
by greg ellis March 21, 2008

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SMO
An acronym for an extremely heavy person. It stands for Super-Morbidly Obese.
If I fly coach, I have to buy two tickets because, being a SMO, I can't fit into just a single seat.
by webgrunt2 December 17, 2007

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SMO
Slightly-Morbid-Observation. Used in place of lol (laugh-out-loud), when some form of humour is intended, but laughter would obviously be inappropriate.
Person A: Oh man, that test just absolutely killed me.
Person B: Me too, it really deserved to be written today on 06/06 at 6 o'clock. SMO.
Person A: Good call man, good call.
by Shaun McKenna December 02, 2007

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