LMFAO 

1. an acronym for laughing my fucking ass off
2. a hip hop/electro rap group that contained redfoo and skyblu, they blew up in 2011 when they released their song called party rock anthem, they broke up in 2012 due to money and royalty issues

person 1: *tells funny joke*
person 2: lmfao
person 3: lmfao, you mean that duo from 2011?

LMFAO by comma4 September 1, 2022

LMFAO 

Laughing my frown away online

LMFAO that was funny

LMFAO by PopTart_Flavored January 16, 2023

LMFAO 

Probably one of the best Electro-hop groups known. Every song they have remixed or made is considered a huge success. Most of their songs are well-known throughout the music industry today.

Some of their singles include: La La La, Yes and I'm In Miami Trick.

They have remixed many songs such as Shooting Star, Love Lockdown and Hot N Cold. Their remixes are just as popular as their singles, if not more.

Person 1: Yoooo do you like electro?
Person 2: Nahh man, i hate it.
Person 1: Well you'll like it once you listen to LMFAO. *makes Person 2 listen to Shooting Star*
Person 2: Woahhh man this is the shit!!!!!!!!!!!!!! I love electro now!

LMFAO by theshootingstar October 28, 2009

Lmfao 

A word people text with a straight face -__-

people will just have a blank face on looking like this -_- . Hey I saw a unicorn fucking a smurf ... *person texts* lmfaooo -_-

Lmfao by Itsallogornow January 8, 2015

lmfao 

laughing my fucking ass off

i was lmfao

lmfao by jessicalinh December 9, 2008

Lmfao 

Lmfao: Verb
Definition:
Lick my fudge-flavored ass ONICHAN

Me: hey dude
Dude: wut
Me:lmfao

Lmfao by WatZ_Oop November 22, 2019

LMFAO 

LMFAO is a popular pop band that has written well-known songs such as "Shots", "Party Rock Anthem", "Sexy and I Know It", and "Sorry For Party Rocking". The two lead singers have afros and are named Red Foo and Sky Blue. Their two most popular albums are "Party Rock" and "Sorry for Party Rocking"

Dude! Did you hear that song by LMFAO? It rocked!

LMFAO by nerdygirl88 November 2, 2012