A shorthand form of writing with abbreviations and acronyms used online either to send incognito messages to friends or to type something when you're lazy.
" - Laugh out loud; used in funny situations
" (or LMFAO) - Laugh my ass out
"gg no re
" - Good game no rematch (what the hell?!)
" - Be right back
and random stuff like that
NOT TO BE SAID IN REAL LIFE THE WAY IT IS SPELLED. IF YOU DO, YOU'RE A LOSER