What is the full form of LOL

LOL stands for Laughing Out Loud. LOL, or lol, is an initialism for laugh(ing) out loud and a popular element of Internet slang.

It is used when someone find something very funny or extremely amusing or hilarious.

It was used historically on Usenet but is now widespread in other forms of computer-mediated communication, and even face-to-face communication.

There are some other alternative of this slang like ROFL (Rolling On the Floor Laughing), LMAO (Laughing My Ass Off) etc