The short version for "Laughing my ass off", mostly used among teenagers and young adults in social media to express the action of laughing very loud. however there is another acronym and that is "Lick my ass Onii-chan".
Sister: Lmao
Brother: What's so funny?
Sister: Nothing, I meant lick my ass onii-chan
*Sweet home Alabama starts to play*
lmao is a chinese hacker
lmfao is lmao's brother (also a chinese hacker)
"hey have you heard of lmao ?"
"no "
"oh"
Something to make your sentence seem less depressing
It stands for laughing my ass off
L-Lick
M-My
A-Ass
O-Onii-Chan
Jk it’s Laugh my Ass off....
or is it?
“Lmao”
“no not again... Please, PLEAAAAAAAASE”