roflimm 

Simply: Rolling over floor laughing in my mind.

Number 1 says:
Me? Lie? I dont know what you mean
Number 2 says:
roflimm xD

roflimm by Megglesby November 6, 2007

ROFLIUMFA

rolling on the floor laughing In ur moms fat ass

1.) HAR HAR HAR ROFLIUMFA "slap slap ouch"
2.) LAST NIGHT

ROFLIUMFA by DICKINABOX666 December 11, 2010

ROFLMMFAO 

Rolling on the floor laughing my motherfuckin' ass off. This one has 2 M's not one.

That's so funny, I'm ROFLMMFAO

ROFLMMFAO by Giovanni Mann November 23, 2007

roflmmfao 

rolling on the floor laughing my mother fuckin' ass off

n00b-"whoops I fragged myself"

ShowtimE-"RoFlMmFaO"

roflmmfao by showtime, shifty, jake, sunshine May 6, 2004

ROTFLIMM

Rolling on the floor, laughing in my mind

No one ever actually Rolls on the floor laughing when something hilarious is said.
Friend of yours say something hilarious? Respond with ROTFlIMM. Because you're laughing - in your mind.

ROTFLIMM by The Pigeon One March 4, 2009

ROFLMMFAOATWTGDC 

Rolling On Floor Laughing My Mother Fucking Ass Off All The Way To God Damn Canada. To use when you're in the mood to sound like a total imbecile while confusing all of humanity at the very same time. Woohoo! You can now make even more of a fool out of yourself! For BEST confusing effect, don't define the confusing chain of letters for your totally clueless friends/acquaintances/enemies/lonely mimes.

Oh my god! That was SOOO friggin' funny! ROFLMMFAOATWTGDC!!!!! Ah-hah-hahaha!!

ROFLMMFAOATWTGDC by kinky slinky July 6, 2009

roflmmffao

rolling on floor laughing my mother fucking fat ass off.

guy 1- dude that wuz so funny

guy 2- seriously dude i wuz roflmmffao!!

roflmmffao by cha_dude_im_white January 20, 2009