LMDFAO 

Laughing

My

Dum

Fucking

Ass

Off

Used by many aim users nowadays.

Did you see that guy trip?

H3ll yeah...LMDFAO

LMDFAO by ~Truth~ June 7, 2009

LMDFAO 

Laughing My Damn Fucking Ass Off

Akito: why the HELL am i in this box?! aaahhhh!
Sana: ha ha LMDFAO!!!

LMDFAO by Bhai-Saab October 12, 2008

lmfaotic system 

when your lymphatic system is lmfao

Eddy: I just got a 26/40 on the physics test
Joe: Lmfaotic system

lmfaotic system by AlbertiBass November 8, 2018

LMFAOAOAOSOAOAOAHSNEKNSHDOSNEBKSOWOSHSHDNEKLWMEHRIDJE 

How an extra mf types LMFAO

* something funny *
Her extra ass : LMFAOAOAOSOAOAOAHSNEKNSHDOSNEBKSOWOSHSHDNEKLWMEHRIDJE

LMFAOAOAOSOAOAOAHSNEKNSHDOSNEBKSOWOSHSHDNEKLWMEHRIDJE by Starship470 March 14, 2019

Lmbfao 

A notorious Chinese hacker. Brother of two other hackers named Lmao and Lmfao, they work for the Koreans.

Interrogator : Now we know than Lmfao is actually working with two other people, Lmao and Lmbfao.

Suspect : No.

Interrogator : This is very confusing.

Lmbfao by Vendin' Machin' Vendin' Machin May 31, 2021

Lmfao 

Is known as a Chinese hacker who works for the koreans. he's also known to partner with lmbao

LMFAO, he's a Chinese hacker

Lmfao by Communist_comrade/69420 June 3, 2020

lmdao 

Laugh My Dick and Ass Off.
Used when its so funny that your ass isn't enough. Commonly denied by Asia

"@urbanbook shiy"
"lmdaooo"

lmdao by ArabTurtle August 6, 2017