Top Definition
Variant of the acronym, lmfao (laughing my f****** arse off) or lmao (laughing my arse off). Lmfato (or lmfatao) stands for laughing my fat off or laughing my fat arse off.
omg lmfato thats hilarious!
by Chopsticks February 17, 2008
6 Words related to lmfato

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