1 definition by heybumitsme

Top Definition
acronym for *chuckles silently to self*
it's like lol, eccept it's what you're actually doing when you say that you're 'lol'ing. i mean who really laughs out loud about something someone said to you online?
me: my hair is being crazy today
you: crazy as your mom last night?
me: csts that was a good burn.
by heybumitsme March 22, 2009

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