ROFLMAOUIVSM

A composite word using common (and not so common) internet acronyms.

Here is a break down:
Rofl : Roll On Floor Laughing
MAO : My Ass Off
UIVSM : Until I Violently Soiled Myself

Used to show that you found something so incredibly funny that you lost control of your anal sphincter in an extremely violent way.
First seen on LED boards at a Blue Man Group stage performance.

Friend: *Insert particularly hilarious joke*
You: Oh man I just Roflmaouivsm!!

ROFLMAOUIVSM by Weaseal December 30, 2008

ROTFLMAOUISM 

Rolling on the floor laughing my ass off until I shit myself.

Randolph: (loud sneeze)
Antoine: "Wow, bro! That sounded like a rusty sneeze."
Randolph: ROTFLMAOUISM
Antoine: "Exactly."

ROTFLMAOUISM by iambanjoman February 2, 2012

Roflmaouiwmp 

A stupid way to say 'Rolling on floor laughing my ass of until I wet my pants".

Boberto: What's black and white and black and white and black and white?
Carlito: What?
Boberto: A penguin rolling down a hill!
Carlito: ROFLMAOUIWMP!

Roflmaouiwmp by RachelRambunktious May 9, 2009

ROFLMAOWISMOP

This awsome accumulation of letters means Rolling On Floor Laughing May Ass Off when I Shit My Pants

with this acronym, you can say it like a word. Like "Roflmao"

" Roflmaowismop... need BioBreak, AFK f a sec "

ROFLMAOWISMOP by Blackout(DK) January 4, 2006