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1 definition by Ericthepooh

to laugh out loud in real life.

usually when people say lol they are not laughing irl, but when you say lol irl, you are laughing really in real life.
Maggie: Knock knock
Annie: Who's there?
Maggie: YO MAMA
Annie: OMG I just snorted and spit out my coffee! lol irl.
by Ericthepooh March 06, 2010