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8.
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
by slowsilver October 25, 2005
 
1.
possiably the worst and most unrealistic of internet jargon....
'pissing myself laughing' sure u are
arse: OMFG really pmsl
cool dude: please dont piss...
arse: wat?
cool dude: stfu n00b
by carey March 24, 2004
 
2.
IM language for Pissing Myself Laughing. Mostly it's not literally meant but it's commonly used when something strikes someone as extremely funny. Somewhat an alternative for rofl or lmao.
"I can't get over the look on her face when I walked in"
"hahahahahha omg"
"Pmsl"
by Dhw October 15, 2005
 
3.
Pissing Myself Laughing

Ashlee: Yesterday me and Ellie went to the 99p store and she askedhow mch the polo's were!

Natalee: HAHA PMSL.
by NataleeOx February 16, 2008
 
4.
Pissing My-Self Laughing.
War Pimp: Jill, I want to have sex with you . PM me and I'll send you my MSN details .
Suby_Boy: classy B-)
War Pimp: Don't beat around the bush or youl have no bush and just be beating .
jillybean_uk: PMSL HAHAHAHAHA what bush you on about :-s
by stazed April 01, 2004
 
5.
Pissed My Self Laughin :- Used as a response to a reminder of some shared experience that generally was so funny a little piss came out!
Man A: Do you remember that twat last night that fell over the balcony and broke both his arms!

Man B: PMSL
by Ade H November 04, 2006
 
6.
Internet shortcut for 'Pissing myself laughing.'
FukNut: wanna hear a joke? ok here goes...why did dat fucking chick cross dat fucking road?
Loser: ooh ooh i know i know! actually i don't! why?
FukNut: BECUZ SHE WAS GOING 2 MY PLACE!
Loser: PMSL that's so funny!
by scemonita February 20, 2003
 
7.
Peeing My Self Laughing
When Joe fell i died PMSL
by Ninners May 26, 2006