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Short for "Shit my pants I laughed so hard." Also used as IJSMPILSH (I just shit my pants i laughed so hard). The phrase can be used as a more expressive and more graphic version of the classic 'lol' or 'rofl.' This abbreviation was created by Axel K. and Josh H. during biology class in 2006.
SomeGuy46: ugh i just sneezed on my screen.

OtherPerson007: SMPILSH.

SomeGuy46: screw u.
SMPILSH by Axel Kammerer January 12, 2009
Related Words

smpiwsff 

Acronym, stands for "Shit my pants it was so fucking funny".
in place of lol, smpiwsff.
smpiwsff by Ernsthausen March 28, 2010
Shitting my pants in laughter
Because lets face it LoL and haha are 2nd class excuses to show laugher
Andrew C: That sounded like shit
Matt F: I like shit :)
Random people in unison: SMPIL!
SMPIL by FBG$ Henry FHS Pit January 26, 2013

smpiwlsttmlt 

See me personally I wouldn’t let somebody talk to me like that
Alvin: asante your mama a bitch
Lucio: see me personally I wouldn’t let somebody talk to me like that (smpiwlsttmlt)
smpiwlsttmlt by Zbwoosah June 15, 2022

Stinky Bobby

When you find a little guy who is stinky. Usually needs a belly rub.
Hey, that’s Stinky Bobby.
Stinky Bobby by anorlondo June 17, 2026
Word of the Day on July 29, 2026
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.
"Hey bro you tryna go on a chud run with me??"
chud run by chad brandson July 24, 2026
Word of the Day on July 28, 2026