LOL is an acronym stands for Laughing Out loud. It is a very common internet slang used in chatting on internet. It is used when someone find something very funny or extremely amusing. There are some other alternative of this slang like ROFL, LMAO etc. used according to the intensity of the laughter. The list of these acronyms are growing day by day as the new abbreviations are added. There are also some smileys used to response the funny situations over the internet. LOL was first included in Oxford dictionary in March, 2011.