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1 definition by Thatoneguysean

 
1.
Or Laughing Quietly To Myself.
When you're talking to someone on messenger or myspace or facebook or whatever.They may say something but you actually dont laugh but you know its kind of funny you just write lqtm
Joe: Hey Fred did you hear linda has STD's?

Fred: No I didnt! lqtm !!
by Thatoneguysean July 29, 2008