Top definition
Acronym for "Laugh my ass off all the way to the bank".
Used when something is cruel, funny and extremely profitable.
Head of Enron: Hey, I fucked over thousands of Enron employees with various fraud and I'm still a rich bastard.
Guy: LMAO
Head of Enron: Yeah, LMAOATWTTB.
by Josh_The_Misanthrope December 28, 2005
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