Top Definition
laughing my ass butt off. This is derived from Supernatural's own Castiel as he yells "Hey ass butt!" and throws a bottle of holy oil setting Michael on fire and sending him away for awhile.
Jen: So Castiel yells 'Hey assbutt' and sets Michael on fire. lmao
Jared: I think you mean lmabo...duh
by dsw1023 August 14, 2010
1 more definition
8 Words related to lmabo
Laughing My Asian Booty Off. (extended version of lmao but can only be used by asians)
BRO 1: Hey, that was a totally hilarious that's what she said joke in history!

BRO 2: I know right! I was lmabo!
by coolasiangirl34 April 30, 2009

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