LMBBAO 

Laughing My Big Black Ass Off

That joke was so funny I spit up my coffee when I read it. LMBBAO!

LMBBAO by Tim Whatley January 31, 2008

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

lmbao 

Lmbao most commonly used in a school environment means "Laughing my bioluminescent ass off"

Justys: "I'm a virgin"
Greg: "Lmbao"

lmbao by Gyeet January 15, 2019

LMBAO 

An acronym used on many African American websites which means "laughing my black ass off."

Various women on the show called, "Flavor of Love" are in love and fighting over Flavor Flav, LMBAO.

LMBAO by Metaview June 22, 2007

LMBBO 

Let my Bum Bum out ! lyou say it on msn

when someone you don't know talking with you!

1: hey

2:who the hell is this?
1:it's shane
2: i don't know you

1: asl
2:LMBBO ! ignored !

LMBBO by YUS YUS BUM BUM September 4, 2010

lmbao 

laughin my BLACK ass off!!!

also lmmfbao as a variation

ha imma hella lmbao @ this n00b

lmbao by Cozykneez April 10, 2006

lmfbao 

Laughing My Fucking Black Ass Off. Same as lmfao but with a little more colour

person one:So then I said YOU DO IT!

(Black)Person two:LMFBAO

lmfbao by Knee-Grow10 August 19, 2007