LML

The word LML is a thot ass way of saying lol. LML means

"Laugh mad loud"

It could also be used as

"Love my life," which is an antonym of FML

LML as in "Laugh mad loud"
*tells a joke*
"omg, LML, your hilarious!"
LML as in "love my life"
*looks in mirror*
"I look so pretty today! LML"