An acronym for Crying-Laughing-So-Outrageously. The final tier in the expression of hilarity chain:
1.) haha
2.) lol
3.) rofl
4.) CLSO
CLSO, the only thing left to say after Lolerskatez and Roflewaffles.
by Proffessor Waterbreaker October 23, 2009
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When you try to say closed but you fuck up
Guy: Case clsoed

Guy 2 : Clsoed?
Guy: Closed* sorry
by arberi March 7, 2018
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