ROFL is an internet slang initialism used to convey hilarity. It stands for Rolling On The Floor Laughing. It is often used in text messages, social media, and other forms of computer-mediated communication to indicate that something is extremely funny. It is one of many initialisms for expressing bodily reactions, in particular laughter, as text, including initialisms for more emphatic expressions of laughter such as LMAO ("laughing my ass off") and ROTFL ("rolling on the floor laughing").