AFK is commonly used with a descriptor like " afk bio" (you are going to the washroom), or " afk phone" (you are answering a phone call). AFK is. away from keyboard - use it wen we're just getting something, usually a drink or snack and coming straight back. Or it could mean your leaving your computer on. What Does " AFK " Stand For? === By What Does ____ Stand For? Like and subscribe for more acronyms and.