SMPILSH 

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

smplsh 

An abbreviation for "shit my pants laughing so hard".
First seen by Jason "Mayhem" Miller's tweet.

A: Man, I just smplsh!
B: What? That doesn't make any sense!
A: Yes, it does, it means "shit my pants laughing so hard"!!.
B: ... who'd even come up with something like that :/

smplsh by MelEnt June 24, 2011

Spilsh 

Homeless

Homeless = spilsh

Spilsh by Gogo Squeez February 13, 2019