Top definition
An acronym for Laughing So Hard That I Soiled Myself. Is becoming wildly popular and will soon replace lol.
Funny Man: A lobster walks into a bar carrying a popsicle. The bartender eats the popsicle. The lobster goes "That's no popsicle, that's my wallet."
Guy who now needs a new pair of pants: lshtism
by soupnazi710 August 03, 2005
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