Derived from the Fire specialization of the Mage class in the highly successful Massively-Multiplayer-Online-Roleplaying-Game, World of Warcraft. Fire mages have a longer-casting time with spells than their counter classes. This allows the player to complete activities during casting. Activities can include but are not limited to: eating, drinking, or masturbating. There can be a combination of the above mentioned activitiess. Fire maging can be applied in WoW, but it is certainly not limited to the game.
Person 1: Yo bro, where's John?
Person 2: IDK dude, he's probably off pulling a fire mage
Person 3: Damn, y did it have to be in the middle of ICC?