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1. lmgo
Laugh my grillz off

Usually used by black people and/or gangsters
Gangster 1: I just got arrested by the popo

Gangster 2: LMGO!
2. LMGO
LOL My Guts Out
To laugh (out loud) so hard, that ones guts leave the body through the mouth. This is a new generation of acronym that actually contains an acronym
"My mom caught me masterbating yesterday"
"LMGO"
"Dude its not funny"
"LMGO"
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