Killing My Self Laughing, bit like PMSL.
Guy1:(on msn) writes joke
Guy2:(on msn) KMSL !!!
by Billza February 14, 2008
Top Definition
Killing myself laughing
Lululemon - Hey remember last night when I put the popcorn on for 20 minutes instead of 2?
Tictactoe - KMSL!
by Cinndi January 26, 2007

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