The true meaning means Low Observable but many know it as the shit hole of the universe. Where, like in the movie Pirates of the Caribbean, you become part of the building because you work there so much. L.O. is part of the United States Air Force and is preformed on jets such as the B-2, F-117(retired),soon to come F-35 and the new F-22. The L.O. program usually has a 60 hour work week and easily goes over that. They work with hazerdous cancer causeing chemicals and best of all supervison that doesnt know what they're doing nor do they give a shit about there troops. Many talk about mutiny, mass homicide, and suicide. Most other career fields know about L.O. and know not to mess with them because of there ease of agitation.
I would tell you to go to hell (LO) but I work there and I dont want to see your ugly face everyday.

Another day in HELL.O.

F.T.P.

Welcome To The Suck!
by Another L.O. Degenerate December 07, 2008

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Top Definition
Slang for Hello.
-Lo, Bob.
-Lo.
by low January 12, 2003

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Used to draw attention to something.
lo!
by John Adams August 20, 2002

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lo means Hello, not lol
User I: hey
User II: lo
User I: what's funny?
User II: ??? nothing
User I: u said lol
User II: no, I said "lo", like "hello"
by dinomario10 July 11, 2008

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1.The coolest person alive.

2. an extremely tall person
3. a dutchie
Ohmygosh, have u talked to loes? she is so tall!
by Rawrr55455 September 17, 2010

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A cooler quicker, lazier way of saying hello.
Jim: " 'lo!"

Frank: "who is this?"
by JDub1983 June 24, 2008

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Lack of Sex...
Jane: *sigh*
June: What's the matter? L.O.S(lack of sex)
by PweetyVampire June 04, 2010

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A short hand version of hello.
'Lo Ronald.
by omgwtf July 24, 2003

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