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 9, 2021
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Anthony: POP OFF GIRLLFRIEND!!!
Me & MOLLY: LMSBO!!!!
by PEACE YOOO. :))))) October 2, 2008
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LMSBO that was too funny!
by Lady Bea December 19, 2022
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