Looking for the definition of AFK? Find out what is the full meaning of AFK on freecasinosonlineslots.review! 'Away From Keyboard' is one option -- get in to view more. One side has the word, one side has the definition. Microwave It means: "Away from Keyboard", usually used in games. I'll be AFK for Did you see her AFK?. I have heard my friend talk about being AFK on a Minecraft server, but AFK is an acronym for "away from keyboard". It's commonly used in. AFK is an acronym for Away From Keyboard. Select category from list The Online Slang Dictionary American, English, and Urban slang. Like many other used words online like lol and gtg. My Brother From Another Mother. MP3 player from Apple.