The Brief: LOL is shorthand for "laugh out loud."

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DEEP DIVE

LOL indicates laughter or amusement. It is also used as a filler in text messages and social media posts to give off a light or casual tone. LoL is an abbreviation for the video game League of Legends. LMAO, LMFAO, and ROTFL are more synonyms for LOL. Lawl is an alternative spelling.