What is Gshiwmp?
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!
See giggle, so, hard, i, wet, my, pants