Common Guild Wars and internet terms

123
40/40           A wand/offhand weapon set with both 20% HCT and 20% HSR mods on each weapon. 
55 build    55 health solo build
600/smite   Two monk team consisting of a 600hp tank and a smite-bonder.

A
abs        (Rune of) Absorption
AD        American District
AED1      America English District 1
afaik        as far as I know
afk        away from keyboard
AoE        Area of Effect
AL        Armor Level
AP        Armor Penetration
AtB        Awaken the Blood
atm        at the moment
attrib        attribute
B
balth (faction) Balthazar faction points earned in PvP matches. 
b/o        buyout
B/P        Barrage/Pet ranger
bbiab        be back in a bit
bbl        be back later
BDS          Bone Dragon Staff
BHA          Broad Head Arrow
Bio        bathroom break (biological waste)
BiP        Blood is Power
Bonder    Protection monk focusing on Life Bond
boon prot    Monk with Divine Boon and prot skills
B/U            Backup essences (of celerity)
BR        Blood Ritual
brb        be right back
brt            be right there
btw        by the way
C
c/o        current offer
cap sig    Signet of Capture
CoF        Cry of Frustration or Cathedral of Flames
CoP        Contemplation of Purity or Cry of Pain
D
DD        Direct Damage - Destruction Depths
DF        Divine Favor
DNKP        Defend North Kryta Province
DoA         Domain of Anguish
DOT        Damage Over Time
dp        death penalty
DPS        Damage Per Second
Drok's        Droknar's Forge, or armor crafted there
E
Ecto          Glob of Ectoplasm
Edge        Edge of Extinction
EDrain        Energy Drain
EED1       Europe English District 1
EoE        Edge of Extinction
F
FA             Final Assault (Sorrow's Furnace)
FA            Fort Aspenwood (Competitive Mission)
FDS        Fiery Dragon Sword
FFF                  Fast Faction Farm
ffs        for f***'s sake
FoC        Feast of Corruption
FOTM        Flavor of the Month
FoW        Fissure of Woe
FTL        For The Lose
FTW        For The Win
G
g        gold
GG        Good Game
GH        Guild Hall
GJ        Good Job
GL        Guild Lord
GLF        Group Looking For
gl hf        good luck; have fun
GoR        Glyph of Renewal
GvG        Guild versus Guild
GWAMM      God Walking Amongst Mere Mortals – Rank in Kind of a big deal title track
H
HA        Heroes' Ascent
HFFF         Hero Fast Faction Farm
HB            HB monk. (Healer's Boon)
HCT          Halves casting time
HoD        Henge of Denravi
HoH        Hall of Heroes
HP        hit points, health
HSR          Halves skill recharge
H/H          Hero/Hench
I
IDS        Icy Dragon Sword
IAS           increase attack speed
imho        in my humble/honest opinion
imo        in my opinion
IMS           increase movement speed
int        international (district)
IRC        Internet Relay Chat
irl             in real life
ITT         In this thread
IW        Illusionary Weaponry
IWAY        "I Will Avenge You!
J
j/k        just kidding
JQ             Jade Quarry (Competitive Mission)
K
k        thousand/platinum
KC         Kaineng Center – Main City in Factions
Keg Farm    A farm that is no longer possible.
KoBD             Kind of a Big Deal
L
LA        Lion's Arch, trade center of GW
LDD        Last Day Dawns
LFG        Looking For Group
LFP        Looking For Party
LFR        Looking For Runner
LMAO        Laughing my ass off
LMFAO    Laughing my F***ing ass off
LOD           Light of Deliverance
LoD            Light of Deldrimor- A PvE only skill in the dwarven title track that allows players to reveal treasures in certain areas of the dungeon.
LOL          Laugh out Loud
LoS        line of sight
M
mIRC        IRC client
MM        Minion Master
MoI        Mantra of Inscriptions
MoR        Mantra of Recall - MoR = Mantra of Recovery - Mantra of Resolve - Mark of Rodgort
MT        mistell, a message sent to the wrong person 
N
NPC        Non Player Character
O
omw        on my way
obo        or best offer
OoB        Offering of Blood
P
PC        Price Check
Pew Pew    The sound of lasers, which usually associated with "owning" somebody or something.
pip        arrow of health or energy regeneration
Pleak         Power Leak
Plok           Power Block
PM        Private Message
prep        preparation
PS        Protective Spirit
PUG        Pickup Group
PvE        Player versus Environment
PvP        Player versus Player
PvX        PvX wiki
Q
QQ            Crying
QZ        Quickening Zephyr
R
RA        Random Arenas
Renewal    Glyph of Renewal
r/b or Reserve bid-"I wont let it be bought until it reaches X amount"
Rez or res    Resurrect
RoF (location)Ring of Fire, either the mission outpost or island chain
RoF (skill)    Reversal of Fortune    
ROFL        Rolling on the floor laughing
ROTFL    Rolling on the floor laughing
S
s/b        starting bid
sac        sacrifice
SB        Spirit Bond
SF        Sorrow's Furnace - Searing Flames - Shadow Form
SoA               Shield of Absorption (the Nightfall reference)
SOJ        Shield of Judgement
SoS           Signet of Sorrow/Signet of Spirits
SS (skill)    Spiteful Spirit
SS (non-skill)screenshot
Sup        Superior (Rune)
stfu        shut the f*** up
SV        Sympathetic Visage - Spoil Victor
T
TA        Team Arenas
TF        Tiger's Fury
tbh         to be honest
THK        Thunderhead Keep
TOA        Temple of Ages
Tombs    Tomb of the Primeval Kings (PvE), Heroes' Ascent (PvP)
ToPK        Tomb of the Primeval Kings
toon          someone's character
TS        Teamspeak, a voice chat program
ttyl        talk to you later
tyt        take your time
U
UW        Underworld
V
VDS           Vampiric Dragon Sword
Vent        Ventrilo, a voice chat program
VIM        "Victory Is Mine!"
VoD        "Victory or Death!"
VS            Voltaic Spear
W
wammo    W/Mo, usually self-healing
WaW        Worlds at War, term for the current Favor system
WoH        Word of Healing
WTB        Want To Buy
WTF        What the f***
WTS        Want To Sell
WTT        Want To Trade