The following terms are commonly used in EQ chat.  Some you may be familiar with because they are general internet chat or are general RPG game terms.  Some are specific to Everquest.

• 10m - 20m - 30m - etc.:  When stated by a caster in the group, tells the group what percentage of mana that caster has left.
• AC:Armor Class. Describes how much protection your armor gives.
• Add: Used to describe that a monster (mob) has joined the fight that a group is already engaged in. Usually unexpected and quite troublesome. Your current target can call for help thus adding another mob.
• AFAIK: As Far As I Know. Indicates you’re not certain you are correct, but you have no reason to believe you are wrong.
• afk:  Away from Keyboard.  The person is going to be away from his keyboard for a while.  If you are in a group be ready to protect the afk person and don't go attack something you can't kill without his help.
• Agro: Aggressive. When a mob is close enough to someone that it starts to run towards him/her to engage in combat.
• Alt: Alternate character.
• AoE: Area of Effect. Spell that affects area around the target, not just the target. Good when needing to affect more than one mob at a time. Is also dangerous, can affect mobs not wanted.
• Assist: Term used in a group situation where there are more than 1 mobs in camp. It is the action of assisting. 1 person in the group in order to all have the same target.
• Atm: At The Moment
• bait:  person who lures a monster in to a group and gets attacked first (see fetch)
• bind:  You bind with a spiritmaster and you then return to that spot when you die.
• Blue:  A term for a monster that looks risky when you consider it, but is usually killable.  You can usually solo a blue.
• brb:  Be right back.  Usually typed by a person who needs to run away from the keyboard for a quick soda, beer, relief, etc.
• brt:  Be right there.
• BTM:  Blue to me.  Describes a consider of a monster.  See blue above.
• BTW:  By the way.
• Bubble:  Refers to the 5 sections on the colored bars for Experience, Health and Power.  When someone says that they only have one bubble to go to 11th level, that is what they are referring to.
• Buff or Buffing: Refers to casting skill or ability enhancing spells onto someone.
• Camp:  Refers to the practice of sitting at a spawn point and waiting for monsters to regenerate and then picking them off as they appear.  Also, you exit the game by camping, so if a person says they are going to camp, they are leaving.
• CFH: Call For Help.
• Clarity: This term used to describe a type of spell that increases mana (power) regeneration. Also commonly referred to as “crack” because of the fact that you always want it after your character has received its effects for the 1st time.
• Con:  This is the color level of the Mob when you click on it. Depending on it’s “con” or color tells you whether you would get exp or get killed (short for consider)
• Crowd Control: Term used mostly by those who possess mesmerize spells. Used when more than 1 mob has been pulled and all but one has been mez’d so that the group can concentrate on a single mob, without interference from the other ones.
• CU or Cya:  See you.  Good Bye.
• DD: Direct Damage spell.
• Ding: Often shouted to let people know you have gone up a level.
• DoT:  Damage over Time spell
• EP:  Experience Points  (also XP)
• Farming: Term used when a person or group stays in one place and repeatedly kills the same mob or set of mobs for specifi c items.
• Fetch or Fetcher: Refers to a member of a group that 'fetches' or gets a monster to chase them to an ambush spot where the other members of the party are ready to attack it. Used to avoid being surrounded deep in hostile territory.
• FM:  Full Mana.
• FYI:  For Your Information.
• GM: Game Master.
• Green:  A term for a monster that looks easy when you consider it.  The message comes in green text.
• Griefer: Troublemaker
• GTG:  Good To Go.  Normally used to signal when you are ready to fight or move.
• GTM:  Green to me.  Describes a consider of a monster (see green above).
• IMHO:  In My Humble Opinion.
• IMO: In My Opinion.
• Inc:  Incoming.  Shouted when a member of your group has lured a monster and is bringing it back to be killed.
• J/K:  Just Kidding.
• K:  OK.  Yeah it is pretty lazy to skip the O, but many peoople do it.
• Kill stealing:  The act of taking a kill from another player by attacking a creature they have already engaged and doing  enough damage to get the experience and treasure.  One of the most hated acts in the game.  Kill stealing is a good way to make sure your name gets trashed by everyone on your server.
• Kite:  The use of a combination of spells which allow the caster to immobilize target, DoT, then meditate or run while the target attempts to reach the caster.
• KOS:  Killed on Site.  Refers to the welcome, or rather lack of welcome, some players get from NPC's of opposite factions.
• Lag: Slow Connection
• LD:  Linkdead.  If a person is linkdead, they are still in the game, but cannot defend themselves do to lag or another computer error.
• Leeching: Unwelcome help on killing an enemy.
• LFG: Looking For Group
• LOL:  Laughing out Loud  (That was funny)
• LOM:  Low on Mana.
• loot:  The process of stripping a kill of all it's useful possessions.  Most groups start out by determining a loot order.
• LOS: Line Of Sight.
• Lowbies: Low level characters.
• Main: main character a player uses.
• Med:  Meditate.  If a magic user says he has to Med it means he is low on mana and has to regenerate it.
• Mez: Mesmerize. Term used to describe the action of mesmerizing a mob. Mostly used by those who possess this type of spell.
• MOB:  Short for Mobile Object.  Basically, any computer controlled creature which moves, which describes most EQ monsters.
• MQ or Multiquest: Refers to having multiple people each turn in some of the items necessary to complete a quest. The person turning in the fi nal item gets the reward. Often used to complete a quest requiring nodrop items and with a nodrop reward more easily. Example: An NPC asks you to bring him a sandwich and some milk. If one guy hands him the sandwich and then another person hands him the milk, the person who gave him the milk gets the reward.
• Nerf: Programmed to be less affective.
• Newbie:  Anyone new to the game, and thus unfamiliar with the rules.  Also refers to low level characters.
• Ninja Looting: Taking an item off a mob with out the consent of the group or raid then leaving the group or logging of. This will probably still be against the EUL and can cause you to get banned.
• NP:  Short for "No Problem" usually used after someone gets thanked.
• NPC:  Non Player Character.  Any character that can be interacted with that is handled by the computer or even a GM rather than another player.
• Nuke:  The process of unleashing the most powerful spells someone has.  A group in trouble will often yell for its wizard to nuke the monster for all he's worth in hopes of avoiding a complete wipeout.
• OHW: On His/Her Way. Used to let someone know that he or she is on the way to meet them.
• OMFG: Oh My Fu**ing God/Gawd Oh no. (really Oh no!)
• OMG: Oh My God/Gawd (usually depends on religous preference) Oh no!
• OMW:  Short for "On My Way" to let someone know you are coming to meet them.
• OOC: Out Of Character. Used when talking on a chat channel from the player’s perspective, as opposed to the character you incarnate in the game (as opposed to Roleplaying).
• OOM:  Out of Mana.  The person can't cast for a while.
• OOP: Out of Power. See OOM.
• OOR: Out Of Range. Used when someone is trying to do an action (most often healing) and the recipient or other player involved is too far away.
• OOW: On Our Way. Used to let someone know you and more are coming to meet them.
• OTW: On The Way.
• PC: Player Character or Price Check.
• Pet:  A creature summoned/charmed by one of the summoning magic classes who will obey and fight for him.
• PH:  Placeholder.  The creature that spawns in place of the creature you really want to kill.
• PK:  Player Kill.  Done by those who have chosen to be plus PVP.
• Pop: Term describing that a mob has spawned near-by. Used mostly to alert the group that there might be an add to deal with soon.
• Port: instantanious transportation of people around the world using Wizard or Druid teleport spells.
• Powerleveling:  Tanking or healing a lower level friend while he gets the experience.
• Proc: Process. Used to describe a weapon that has an effect that activates (randomly) while you fight.
• PST: Please send tell (private message).
• Pull:  Same thing as baiting:  bringing a MOB to a more defensible position so your party can beat the snot out of it in relative safety. People that do this are called "Pullers", or "MOB Meat" (depending on which dungeon yer in).
• Purple: Term for a Mob that is many levels higher than you. When you click on it the text is purple.
• PVE: Player Versus Environment.
• PVP:  Player versus Player.
• R or rdy:  Ready.  Signals readiness to attack or move on.
• Red:  Term for a monster that is several levels higher than you. These Mobs need a group to kill.
• Res/rez: Resurrect. Term used to describe the action of resurrecting someone by magic. You are returned to life where you died, with less experience loss and constitution loss than if you simply released yourself.
• RFP: Ready For Pull.
• RL: Real-Life. Used mostly in OOC conversations that have reference to real life. Also referred to as IRL (In Real Life). Occasionally referred to as RW: real world.
• Roamer: Used to describe mobs that have a patrol route and move around. These are the most prone to become “adds”. Also referred to as wanderers.
• ROFL:  Rolling on the floor laughing  (That was really funny)
• ROFLMAO:  Rolling on the Floor Laughing My Ass Off  (That was simply hilarious).
• ROFLMFAO: Rolling on the Floor Laughing My Fu**ing Ass Off (couldn’t be any more funny than that).
• RP’ing: /roleplay or roleplaying.
• Root:  Root is a spell which keeps a person or monster from moving.  If someone is Rooted, he can't move, and if that's your group member you had better go help him or watch him die.
• RTM:  Red to me.  Describes a consider of a monster.  See red description above.
• RW: Real World. See RL.
• Social: Creatures that defend each other.
• SOW:  Spirit of Wolf.  A spell much in demand since it makes you run very fast and thus travel relatively safely.
• Spamming: sending the same message over and over again rapidly much to the displeasure of everyone else.  This is very annoying.
• Spawn: Creature creation. Where a creature pops into existence, it is said to have spawned.
• Static mob: The opposite of roamers. Describes mobs that stay in place until they are pulled or otherwise agro’d.
• Tank or Tanking: Refers to one person in a group that usually takes the brunt of an attack from a MOB while the others in the group attack with spells or from different angles.  Usually the group member with the highest AC and melee skills.
• Taunt: Enrage.
• Toon: Term used to describe your character/avatar.
• TPW:  Total party Wipeout.  Nuff said.
• Train:    Anyone running and followed by one or more bad guys has created a train.  If you find yourself in the way, you will most likely be attacked and die.
• Twinking:  The process of giving decent items from your high level character to your new character, thus puffing him up far beyond the abilities he should have.
• TY: Thank You
• WB:  Welcome Back.
• Woot or W00T: Woohoo, great or congratulations.
• WT:  Wrong Tell.  Used when you accidentally send a tell to the wrong person to let him know it was not meant for him.  (not ususual with the reply button).
• WTB: Want To Buy.
• WTF:  What the fu**.  No more need be said about this.
• WTT:  Want To Trade.
• WTS:  Want To Sell
• Yellow:  Term for a monster that looks very risky when you consider it, and is a higher level thand you but not high enough to be red.  This is hard to solo, but can usually be handled by a group.
• YTM:  Yellow to me.  Describes a consider of a monster.  See yellow above.
• YW: You’re Welcome
• XP:  Experience Points (Also EP)