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ROFLMOO = Rolling On The Floor Laughing My Oxygen Out

What you would say when you happen to see a cow in the distance, and also laughing for some random reason simultaneously.

Asphyxiation.

TIRO.

Also, if you just want to substitute boring chat acronyms (e.g. lol, lmao, rofl, roflmao) for something with a little...zest to it.

(Credits to Michael James and Vikram Akam)
Person 1: "What do you call a gorilla with a banana in each ear?"

Person 2: "Uh...I don't know."

Person 1: "Whatever you want, he cannot hear you!"

Person 2: "Uh...I don't get it."

Person 1: "Roflmoo."
Roflmoo by Sappyspartan October 2, 2009
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roflmaosh 

A very recent way of expressing your level of laughter online. With a stronger meaning than "ROLFMAO" which stands for "Rolling on the floor laughing my ass off", ROFLMAOSH pronounced "ruffle-may-osh" stands for "Rolling on the floor laughing my ass off so hard"
MSN Dude #1: Dude check this video out! It's about a guy getting kicked in the balls.

MSN Dude #2: ROFLMAOSH
roflmaosh by Gyuri February 16, 2008

roflmao zedong 

The expression roflmao with zedong added because it sounds like Mao Zedong.
- Dude! I just told a joke!
- roflmao zedong!
roflmao zedong by BBQPIZZA June 10, 2008

ROFLMAOOTDADTSAITPOAOT

Rolling on the floor laughing my ass off out the door and down the street and into the path of an oncoming truck
Mr. X: *Tells an extremely funny joke*
Mr. Y: ROFLMAOOTDADTSAITPOAOT
Mr. Y: *gets killed by a truck*

roflmaoshtmsfoaidmt 

Rolling on the floor laughing my ass off, so hard that my sombero fell of and i dropped my taco!
roflmaoshtmsfoaidmt! that was soooo funny!

ROFLMAOPMPWASCBMHOTTWSCOOMN 

Rolling On the Floor Laughing My Ass Off Pissing My Pants With A Stomach Cramp Banging My Head On The Table With Snot Coming Out Of My Nose.

Among me and my friends, it is used very rarely for those once in a few years laughing-so-hard-you-piss-your-self situations.
Guy 1: Remember that time when... <insert hilarious ass story here>

Everyone eles: ROFLMAOPMPWASCBMHOTTWSCOOMN!1!1!11!1!oneoneeleven
This Awsome Accumulation of letters means Rolling on Floor Laughing My Ass Off
"Rob: Im Cool and not at all annoying"
"Tony: ROFLAMAO"
"Rob: Aww..."
ROFLMAO by Michael T March 22, 2003