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Lmbao most commonly used in a school environment means "Laughing my bioluminescent ass off"
by Gyeet January 15, 2019
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An acronym used on many African American websites which means "laughing my black ass off."
Various women on the show called, "Flavor of Love" are in love and fighting over Flavor Flav, LMBAO.
by Metaview June 22, 2007
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Laugh My Brown Ass Off - developed in the mid 90's as an Asian counterpart to lmwao. Now used by nerds from varieties of ethnic backgrounds.
white nerd: "LMWAO"
brown nerd: "LMBAO"
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Posh Englishman: Would you like some coffee instead of tea?
Posh Englishwoman: Yeah, sure... *LMBAO*
by notenglishatall April 09, 2011
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