A slang term for "Laughing out shit", Which means your laughing really hard.
Guy1: LOS, that was sucha good burn!
Guy2: Thanks, I try :P
by Rensen May 13, 2006
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Instead of the famous "LOL" it is LOS for lots of smiles. Because you know when some one types out LOL they aren't really laughing.
"Oh, Bella, you give me LOS :D :-) <3"

"you make me have LOS."
by Iamthebella July 21, 2008
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DOWN LOW / dont tell nobody, between you & me
KEEP it on the lo lo
by Paulo G June 21, 2007
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Hitler. Used to compare (in chatspeak) someone to Hitler.
O-.! ( )( ) < :lO
Fail! But less than Hitler
by BêñjíButton June 24, 2009
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