Top Definition
lrn
Leave right now.
You need to lrn before someone gets hurt
by purrpleprincess98 May 17, 2011
lrn
Laughing Right Now: the new LOL, because lol is getting old, so now there's LRN.
Person 1: omg i just saw a guy walk into a pole
Person 2: LRN! :)
by ApSgLkMw November 24, 2009

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