A very addictive game where you advance by killing things.
I played Everquest all night long!
Short for EverQuest. Generally a game played by system admins to play while they work or people who have no lives and spend their meaningless life playing the game.
Person with a life: Hey Shokazullu what you about to do on the computer? Shokazullu: Just gonna play EQ for the rest of the day.