Top Definition
Acronym for Laugh Until My Stomach Hurt
Heather: "LUMSH!!! Did you see that video about the cop who called 911 after OD-ing on pot brownies with his wife?!? HA!!"

or

Heather: "Dude, that video about the cop who called 911 after OD-ing on pot brownies with his wife made me LUMSH!!!!"
by cosmicgirl76 October 10, 2009
1 more definition
Laugh Until My Stomach Hurts
"Did you hear the joke that Collette made last night? I lumsh-ed."
by Dilys August 16, 2008

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