Alt :An alt refers to alternate character other then your highest level char.
Aggro :Refers to aggression from a mob who becomes hostile to the user.
Buff :A power from super heroes or villains with a beneficial effect on the players.
Cool :Cool down time of waiting before powers can be used again.
Conga :Meaning cognation when a character rises level usually in combat
Evac :A teleport power that can save another player from death
Troll :A player who is immature and annoys other players
Hate :A high amount of aggro that a monster has when fighting again it
Lag :When the system slows down and the character are unable to do anything
Lemin :A person who will killed by an incompetent leader
Ll :An abbreviation of level
Log :Logging off from the game
Pull :To draw a monster away from its current location and back to the group.
PvP :Player vs Player combat within the gaming world.
PvE :Player vs Computer A.I within the game.
Merced :A term used when a player was killed by another player
Mob :Any computer controlled character in the game that usually has high aggro
Newbie :Any new player to the game also known as newbie. It is an insulting term
RPG :An online group who roleplays the character as they play the game
Rez :An abbreviation for resurrection of the character
Respawn :The recently killed monster rises again after it was killed
Team :Speak A way to chat via voice as a group of players play the game