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Acronym for "Giggle So Hard I Wet My Pants"

Funnier than LOL but not as funny as LMFAO.
Guy: Knock knock!

Girl: Who's there?

Guy: BOO!

Girl: Boo who?

Guy: Don't cry, it's just me!

Girl: ahh! GSHIWMP!
by Mrs. Travis Clark March 01, 2009
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