LMFBO 

Acronym: Laughing My Freaking Butt Off

Definition: An expression of extreme hysteria. Like LMBO, it is a common reaction to something funny.

Priscilla: "I'm hungry."
Percy: "Hi Hungry, I'm Percy."
Priscilla: "LMFBO!"

LMFBO by mu_ September 5, 2019

lmfbo 

laughin my fucking balls off--another one of those stupid abreviations that make no fucking sense in real life.

Guy - I kill my wife.
Dude - LMFBO! Thats so LOL!
Guy - No, I really did.

lmfbo by kane April 27, 2003

LMFBO 

Laughing my fucking balls off

LMFBO! That shit is funny!

LMFBO by WorddGod November 28, 2010

LMFBO 

For men, we have LMFBO, laughing my fucking balls off, but for women, we have... LAUGHING MY FUCKING BOOBS OFF!

Used in texting by teenage kids, and an abreviation for: Laughing My Fucking Boobs Off

Girl 1- "Look at this post on Instagram"

*they see the post about a cat banging their head on a sink*

Girl 2- "LMFBO!!!! LOL!"

LMFBO by MissSarcasm June 24, 2014

Lmfbo 

Laughing My Fudging Bum Off

A more pure version of the highly popular acronym LMFAO

Hahaha, that’s so funny... lmfbo!! 😂🤣

Lmfbo by ContemparyXDrama August 25, 2019

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