ROFLMFAOSHTIGD 

It means rolling on floor laughing my f*cking ass off so hard that i going die. similar to lol rofl lmafo but has pidgin in it. Made by Juhen W.

ROFLMFAOSHTIGD

ROFLMFAOSHTIGD by NinjuXD June 28, 2010

ROFLMFAOSFHTIDMSWSMPAPMP

Rolling On Floor Laughing My Fucking Ass Of While Dropping My Sombrero While Shitting My Pants While Peeing My Pants

Friend: Dude, yesterday, in science class, someone had explosive diarrhea

Me:ROFLMFAOSFHTIDMSWSMPAPMP

ROFLMFAOSFHTIDMSWSMPAPMP by Random Person nbfdsuihbre jskh November 21, 2010

ROTFLMFAOSHTIDMTNYOMAT 

It stands for "Rolling On The Floor Laughing My Fucking Ass Off So Hard That I Dropped My Taco Now You Owe Me A Taco."

Also used as a more expressive way of saying "LOL."

Person 1: "ROTFLMFAOSHTIDMTNYOMAT!"
Person 2: "GRTAURTHAKJGNGNAKNYAAOYALFNGLAT!"
Person 1: "At least mine means something."

ROTFLMFAOSHTIDMTNYOMAT by Erik McLovin May 9, 2012