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1.
Acronym for "Oh my God, I'm going to laugh my muther fucking ass off because that word was so fucking funny!"

Pronounced: "ahm gig tulm fay ob tee jay wiff"
pope in a box216: "Then, when he woke up, his butt fell off!"
Elliota delBorgo: "omgigtlmmfaobtjwsff!"
by Colin Wood February 06, 2005