ROTFLDM 

Rolling On The Floor Like Draco Malfoy
This term refers to the character Draco Malfoy from A Very A Potter Musical, the fan-made parody musical by StarKid Productions. In the musical, Draco is known for rolling around on the floor, so, to ROTFLDM is to roll around in an imitation of Draco.

Person 1: My friend just said she was a Hufflepuff, and I said "What the hell is a Hufflepuff?"
Person 2: ROTFLDM

ROTFLDM by Remus John Lupin May 24, 2010

rotflls 

rolling on the floor laughing like shit

When the Patriots lost the super bowl i was rotflls!

rotflls by be_easy45 July 6, 2009

ROTFLLAF 

Rolling on the Floor Laughing Like a Fool

Oh, man, after Liz fell in the pool I was like ROTFLLAF!

ROTFLLAF by Colin Kelly June 10, 2008

rotfllurry 

To comfuse and bemuse, baffle and bedazzle people.

Similiar to "get smurfed"

That Includes you lauren.

Go get rotfllurried!

rotfllurry by rutflorester November 10, 2003

rotflllpto

Roll On The Floor Laughing Loud Like Plane Taking Off.
Which added LLPTO after Rotfl.

Lol, for a chat log entry:

A: rotflllpto!
B: Too loud!! *Puts mugs in hand on the ear*

rotflllpto by Skiech September 23, 2005

ROTFLLDM 

Acronym for "Rolling on the floor like Draco Malfoy". Based on the youtube success "A Very Potter Musical", in which the character Draco Malfoy rolls on the floor several times.

Commonly used as a replacement for ROTFL but for potterheads who are also AVPM fans.

"I just saw the funniest Darren Criss quote ever on tumblr! ROTFLLDM"

ROTFLLDM by Tangerinesarecool November 4, 2012

rotflmdao 

acronym for "rolling on the floor laughing my damn ass off"

"r u serious?"
"yea"
"rotflmdao!"

rotflmdao by Kay Babii May 30, 2006