LMFAOOL 

LMFAOOL- laughing my fucking ass off out loud.

Usually used for the sheer enjoyment of saying an acronym that long.

You:asl?
Them:1,yes,here
You:...
Them:LMFAOOL

LMFAOOL by HumanDictionary*original* January 8, 2010

LMFAOOOOO 

To be Extremely fulfilled with laughter while having a straight face

The peoples on fb are serious comedy and I LMFAOOOOOOO’d

LMFAOOOOO by Kwaliq July 20, 2018

LMFAOLU

laugh my fucking ass off loudly and uncontrollably
can also use:
lmfaol&u

ugly guy: hey hottie
pretty girl: hey
ugly guy: you are so hot, and beautiful, and cute, and blablabla
pretty girl: thanks
ugly guy: so cutie what do you think about me?
pretty girl: LMFAOLU xD!!!!
ugly guy: what?
pretty girl: bitch please...

LMFAOLU by who who June 11, 2008

lmfaoyolo 

The statement which is used when laughing at something that isn't funny at all.

News Report: A man in China reportedly shoved a live 20-foot-Eel up his butthole and is now in intensive care for electrical colon burns.

Johnny Douchetard: LMFAOYOLO.

lmfaoyolo by MhmBroski November 10, 2013

LMFAOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO 

when you lose your shit to a bad joke.

Person A: Why did the dog go over the road? he wanted to get to the other side.
Person B: LMFAOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

LMFAOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO by LunarLapiz January 19, 2021

LMFAOL&U 

laugh my fucking ass off loudly and uncontrollably
can also use:
lmfaolu

ugly guy: hey hottie
pretty girl: hey
ugly guy: you are so hot, and beautiful, and cute, and blablabla
pretty girl: thanks
ugly guy: so cutie what do you think about me?
pretty girl: LMFAOL&U xD!!!!
ugly guy: what?
pretty girl: bitch please...

LMFAOL&U by who who June 11, 2008

lmfaol 

Laughing My Fucking Ass Off Lol

When someone laughes so hard,his ass is ripped off and he is still laughing

Guy 1: LAWL THIS C00ki3 smells like MA SH!T

Guy 2: LMFAOL!!!!!1111

lmfaol by A Guy with a sandwich June 19, 2007