LOL is a word or abbreviation often used in the net. But most of the peoples do not know what the meaning of LOL is. LOL is an abbreviation of laughing out loud. It is a commonly used element of Internet Slang now. It was used historically on USENET but is now widespread in other forms of computer mediated communication, and even face to face communication. LOL was first documented in the OXFORD ENGLISH DICTIONARY in March 2011. It is one of many sign of expression for expressing bodily reactions, in particular laughter, as text.