MOD

n.) 1. Short for "modification". Used mainly to describe either add-ons to a modular device, extra files being added (more often than not unofficially) into a program or game, or sometimes a physical object going into a jury-rig. 2. Short for "moderator". Used mainly in online forums, chat rooms, chat servers, and games to describe a person or bot who oversees activity in the environment to help newbs and punish trolls. 3. Acronym for "Manager On-Duty". Retail worker lingo for an active manager, mostly used through walkie-talkie radios to call for a manager to request assistance, and to either mask the request for a manager or sound more professional to the customer.