Short for the word smokeshow. Indicating someone is absolutely and utterly stunning. They are so hot that smoke is now surrounding them making it almost impossible to touch them. But you cannot resist a smo'.
by The Bloke. March 16, 2011

SMO= Suck My Ovaries
by iRyan March 4, 2009

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 January 6, 2008

a really close group of FOUR friends. they represent a "square" hense the 4 people involved.
crazy, fun, loving, caring.
crazy, fun, loving, caring.
by taystabby January 18, 2010

A person who is mean for the sake of it, usually without reason or intent, but is mean anyways. Smos can be classified further into "bosmos" and "prosmos," depending all on their relative smo-ness.
Very different from a "mo," which is just a smo wannabe.
Very different from a "mo," which is just a smo wannabe.
by bcut January 4, 2009

Acronym for the ever popular "Suck Me Off" phrase. Is also used to replace the phrase in a quick manner.
by r0b October 24, 2003
