pmsl

Pushing
My
Seat
Laughing

This meaning however, is restricted to many less popular internet communities which are associated with being roots of popular 1337speak. Also known to be used as a suffix to slangs beginning with 'l' such as "lmao" and "lol"

(eg.)
XX1: The notification server sent me a CHL command
XX2: So what did you do?
XX1: i didnt know what it was so i sent back the WTF command
XX2: pmsl