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An abbreviation for 'Laughing my fucking retarded ass off',
most commonly used by nerds and retards who think they're retards.
<nerd1>: Look at that hoe, she just stacked it and looks like she's a prostitute trying to attract Mr Tabouli.
<nerd2>: Lmfrao! She sure does.
by thegamer September 21, 2007
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