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Anthony: POP OFF GIRLLFRIEND!!!
Me & MOLLY: LMSBO!!!!
by PEACE YOOO. :))))) October 02, 2008
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Euphemism for “LMFAO”. It means “Laughing My Stinking Butt Off”.
Kid on Christian Minecraft server: That joke made me LMSBO!
by Dray’s Dictionary February 09, 2021
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