Top definition
Lshmafo. Means Laffed so hard my arse fell off. Used when people type something that they find reely funny but no one else does. Mostly used in sarcastic circum stances
Ellie: Omg it was so funny on the bus today jack drew a willy on the window cause it was all steamy *falls about laughing to self*
Jodie: lshmafo *thinks... wow that reely wasnt funny*
by <3 Kaytee <3 November 28, 2006
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