Notation

This guide provides a fairly comprehensive list of abbreviations used in D2.

Abbreviations in Alphabetical Order

3D: 3 Diamond Usually refers to a shield socketed with three perfect diamonds.
A1, A2: Act 1, Act 2, etc.
AB: Amazon Basin.
ABM: Amazon Basin Member.
afaic: As far as I'm concerned.
afaics: As far as I can see.
afaik: As far as I know.
afk: Away from keyboard.
Ali Baba: Blade of Ali Baba Exceptional Unique Tulwar.
alvl: Affix Level.
Ama: Amazon.
Amp: Amplify Damage. Necro curse to reduce enemies' resistance to physical damage.
Ancients (AW): The Ancients' Way in Act 5.
Andy: Andariel. Act 1 super unique monster.
AoE: Area of Effect.
AR: Attack Rating.
Arkaine's (Ark): Arkaine's Valor Elite Unique Balrog Skin.
Arreat's: Arreat's Face Unique Slayer Guard.
AS: Arreat Summit. Battle.net's website for D2.
Asn (asa, assy): Assassin.
Atlantean: The Atlantean Exceptional Unique Ancient Sword.
Atma's: Atma's Scarab Unique Amulet.
BA: Blessed Aim. A Paladin offensive aura.
BA: Bone Armor. A Necromancer defensive skill on the Poison and Bone tree.
Baba (Barb): Barbarian.
Bane: Gladiator's Bane Elite Unique Wire Fleece.
Baranar's (Banana): Baranar's Star Elite Unique Devil Star.
Bartuc's (Barts): Bartuc's Cut-Throat Unique Greater Talons.
Basher: The Cranium Basher Elite Unique Thunder Maul.
BC (BCry): Battle Cry. A Barbarian warcry to decrease an enemy's damage and defense.
BC (BCom): Battle Command. A Barbarian warcry to increase skill levels.
BG: Blood Golem.
BH: Blessed Hammer. An attack skill on the Paladin Combat tree.
BK: Bul-Kathos. Usually refers to the Bul-Kathos set items, or the unique Bul-Kathos' Wedding Band Ring.
BM: Bad Manners.
B.net (Bnet): Battle Net. Blizzard's game server for Diablo II.
BO: Battle Orders. Barbarian warcry to increase life and mana.
BoI: Blades of Ice.
BoS: Burst of Speed.
BP: Bone Prison. A Necromancer skill on the Poison and Bone tree.
brb: Be right back.
brt: Be right there.
btc: Back to channel.
BS: Blade Shield.
BS: Bone Spirit. A Necromancer attack skill.
btw: By the way.
Burrito (Buriza): Buriza-Do Kyanon Exceptional Unique Ballista.
BW: Bone Wall. A Necromancer skill on the Poison and Bone tree.
Cat 2: Catacombs Level 2 in Act 1.
CB: Charged Bolt. Sorceress lighting tree attack skill.
C/C: Claw/Claw. Refers to an Assassin wielding dual claws.
CBF: Cannot be frozen.
CCB: Cruel Colossus Blade.
CCS: Cruel Colossus Sword.
CB: Crushing Blow.
CE: Cold Enchanted.
CE: Corpse Explosion. A Necromancer attack skill on the Poison and Bone tree.
CG: Clay Golem.
cg (grats): Congratulations.
Chan?: Go to channel.
Char: Character.
CI: Cold Immune.
CKN (Chu): Chu-ko-nu. Often refers specifically to the Demon Machine Exceptional Unique Chu-ko-nu Crossbow.
CL: Chain Lightning. Sorceress lightning tree attack skill.
clvl: Character Level.
CM: Claw Mastery.
CM: Cold Mastery.
CM: Community Member. Any participant in the Amazon Basin community.
Conc: Concentration. A Paladin offensive aura to increase physical damage.
Conv: Conviction. A Paladin offensive aura to reduce enemy resistances.
CoS: Cloak of Shadows.
CoT: Claws of Thunder.
CP: Crystalline Passage in Act 5.
CR: Cold resistance.
Crit: Critical Strike.
Cranium (C basher): The Cranium Basher Elite Unique Thunder Maul.
C/S: Claw/Shield. Refers to an Assassin using a claw and shield.
CS: Chaos Sanctuary in Act 4.
CS: Cobra Strike.
CS: Critical Strike.
CTH: Chance to Hit.
CU: Cursed.
Cube: The Horadric Cube.
cya: See you.
D2: Diablo II.
D2M: Damage to Mana.
dii: dii.net. A D2 reference and forum site.
D/A/E: Dodge/Avoid/Evade. Trio of Amazon defensive skills from the Passive and Magic skill tree.
DC: Dragon Claw.
Decrep: Decrepify. A Necromancer curse that slows and weakens.
Def: Defense.
DEX: Dexterity.
DF: Dragon Flight.
ding: Player announcing they've just leveled.
Dmg: Damage.
Doombringer (Doom): Doombringer Elite Unique Champion Sword.
DR (DR%): Damage Reduced. Items with this mod reduce physical damage.
Dru (droolid): Druid.
DS: Deadly Strike.
DS: Death Sentry.
DT: Dragon Tail.
Dur 2: Durance of Hate Level 2 in Act 3.
Eagle (Eaglehorn): Eaglehorn Elite Unique Crusader Bow.
ED: Enhanced Damage. A mod that increases physical damage.
ED: Enhanced Defense. A mod that increases defense on an item.
ED/IAS: Enhanced Damage/IAS. Typically refers to a rare combination of mods on a jewel.
ENE: Energy.
EF: Extra Fast.
ES: Energy Shield. Sorceress lightning tree defensive skill.
ES: Extra Strong.
Eth: Ethereal.
EXP: Experience.
Eye (EoE): Eye of Etlitch Unique Amulet.
FA: Freezing Arrow. An attack skill on the Amazon Bow and Crossbow skill tree.
Face: Arreat's Face Unique Slayer Guard.
Fana: Fanaticism. A Paladin offensive aura to increase attack speed and physical damage.
FB: Fireball. Sorceress fire tree attack skill.
FBR: Faster block rate.
FC: Fire Claws. A Druid shape shifting skill.
FCR: Faster cast rate.
FE: Fire Enchanted.
FG: Fire Golem.
FHR: Faster hit recovery.
FI: Fire Immune.
Fists: Magefist Unique Light Gauntlets.
FN: Frost Nova. Sorceress cold tree attack skill.
FoH: Fist of the Heavens. An attack skill on the Paladin Combat tree.
FoF: Fists of Fire. An Assassin attack skill on the martial arts tree.
FO: Frozen Orb. (Sometimes called just "Orb.") Sorceress cold tree attack skill.
fps: Frames per second.
FR: Feral Rage. A Druid shape shifting skill.
FR: Fire Resistance.
Frosties: Frostburn Unique Gauntlets.
FRW: Faster Run/Walk.
FW: Firewall. Sorceress fire tree attack skill.
GA: Guided Arrow.
Gaze: Vampiregaze Exceptional Unique Grim Helm.
gc: Grand charm.
gg: Good game.
gfi: Go for it.
gj: Good job.
Grandfather (gf): The Grandfather Elite Unique Colossus Blade.
GS: Glacial Spike. Sorceress cold tree attack skill.
GSA: Goldstrike Arch Exceptional Unique Gothic Bow.
gtg: Good to go (or Got to go).
Gull: Gull Unique Dagger.
H: Hell. Typically abbreviated with an Act abbreviation (A2 H), or a Basin game name (abasinhch). The third and last level of difficulty in Diablo II.
Harley: Harlequin Crest Elite Unique Shako.
HB: Holy Bolt. A Paladin combat skill.
hc: Hard Core.
HCMTF: Hit Causes Monster to Flee.
Hellslayer: Hellslayer Elite Unique Decapitator.
Heph: Hephasto the Armorer. Act 4 super unique monster.
HF: Holy Freeze. A Paladin offensive aura to chill enemies.
HoBL: Hand of Blessed Light Unique Divine Scepter.
Homunculus: Homunculus Unique Hierophant Trophy.
Horn (Eaglehorn): Eaglehorn Elite Unique Crusader Bow.
Hot: Warning that a portal is dangerous to enter.
HoW: Heart of Wolverine. A Druid summoning skill.
HoZ: Herald Of Zakarum Unique Gilded Shield.
HP: Hit Points.
HS: Holy Shield. A Paladin combat skill to boost shield characteristics.
HS: Holy Shock.
Jalal's: Jalal's Mane Unique Totemic Mask.
IAS: Increased Attack Speed.
ID: Identify.
IG: Iron Golem.
IIRC: If I recall correctly.
IK Maul: Immortal King's Stone Crusher Set Ogre Maul.
ilvl: Item Level.
IMHO: In my humble opinion.
Immo: Immolation Arrow. An attack skill on the Amazon Bow and Crossbow tree.
IMO: In my opinion.
Ire: Skullder's Ire Exceptional Unique Russet Armor.
IS: Iron Skin. A Barbarian mastery to increase defense.
ITD: Ignore Target Defense.
Izzy: Izual. Act 4 super unique monster.
j/k: Just kidding.
k: Okay.
KB: Knockback.
l337: Elite.
LA: Leap Attack.
lc: Large charm.
LE: Lightning Enchanted.
LEB: Lightning Enchanted Boss.
LEM: Lightning Enchanted monster.
LF: Lightning Fury. A skill on the Amazon Javelin and Spear tree.
LI: Lightning Immune.
Lidless: Lidless Wall Exceptional Unique Grim Shield.
Lightsabre: Lightsabre Elite Unique Phase Blade.
LL: Life Leech.
LM: Lightning Mastery.
LoD: Lord of Destruction. The Diablo II expansion.
LoH: Laying of Hands Disciple Set Bramble Mitts.
LOL: Laughs out loud.
LR: Lightning resistance.
LR: Lower Resist. Necro curse to reduce enemies' magic resistance.
LS: Lightning Sentry.
LS: Lightning Strike. A skill on the Amazon Javelin and Spear tree.
Lyc: Lycander's Aim Unique Ceremonial Bow.
MA: Martial Arts. Usually a description for an Assassin type of build, or reference to one of the Assassin skill trees.
Mara's: Mara's Kaleidoscope Unique Amulet.
Mat: Matriarchal bow.
MB: Mana Burn.
MDR: Magic Damage Reduced. Items with this mod reduce magical damage.
Meph: Mephisto. Act 3 super unique monster.
Merc: Mercenary.
MF: Magic Find.
MI: Magic Immune.
ML: Mana Leech.
mlvl: Monster Level.
Mod: Modifier. Adds a characteristic to an item such as a weapon or charm.
Mod: Moderator. An Amazon Basin member responsible for moderating a forum or channel.
Moser's: Moser's Blessed Circle Exceptional Unique Round Shield.
MP: Market Place. Trading site for D2 at market.diabloii.net.
MP: Multi-Player.
MPK: Mana per kill.
MR: Magic Resistant.
MS: Multiple Shot. An attack skill on the Amazon Bow and Crossbow tree.
MS: Multi-Shot. A mod available to boss monsters.
MSLE (MSLEB): Multi-Shot Lightning Enchanted.
nbd: No big deal.
Nec (necro): Necromancer.
newb: Newbie.
ng: New game.
NM: Nightmare. The second level of difficulty in Diablo II.
nm (nvm): Never mind.
n00b: Newbie.
Norm: Normal. Usually refers to the first level of difficulty in Diablo II.
NR: Natural Resistance. A Barbarian mastery to increase resistance to magic damage.
NRG: Energy.
Oak: Oak Sage. A Druid summoning skill.
Occy (Oculus): The Oculus Unique Swirling Crystal.
OK: Oblivion Knight.
OMG: Oh my god.
OTOH: On the other hand.
Pally (Pali): Paladin.
PDR: Physical Damage Reduction.
PI: Physical Immune. A monster immune to physical damage attack.
PK: Player Killer.
PKK: Player Killer Killer. A player who kills player killers.
PN: Poison Nova. A Necromancer skill on the Poison and Bone tree.
PR: Poison resistance.
PS: Phoenix Strike.
PvM: Player versus Monster.
PvP: Player versus Player.
PW: Password.
r: Ready. This is the standard signal among players in a group before triggering a monster urn/shrine or entering a particularly treacherous area.
Reaver (Messy Reaver): Messerschmidt's Reaver Elite Unique Champion Axe.
Req: Requirement.
res: Resurrect.
rl: Real life.
RoF: Rate of Fire.
RoF: River of Flame in Act 4.
ROFL: Rolling on the floor laughing.
sc: Small charm.
sc: Soft core.
Schaefer's: Schaefer's Hammer Elite Unique Legendary Mallet.
SD: Shadow Disciplines. One of the Assassin skill trees.
Sec: Hang on a second.
SF: Static Field. Sorceress lighting tree attack skill.
Shaft: Shaftstop Exceptional Unique Mesh Armor.
Shako: Harlequin Crest Elite Unique Shako. (Technically, a Shako is the entire class of elite Shako helms, but the term almost always refers to its Unique version.)
Silks: Silks of the Victor Unique Ancient Armor.
Sin (Sinner): Assassin.
Skullder's: Skullder's Ire Exceptional Unique Russet Armor.
Slow: Slows Target. Item mod that slows enemies.
slvl: Skill Level.
SM (Master): Shadow Master.
SM: Slow Missiles. A skill on the Amazon Passive and Magic tree.
SoJ: Stone of Jordan Unique Ring.
Sorc (socer): Sorceress.
SH (Spec): Spectral Hit.
SP: Single Player. Usually refers to single-player mode of Diablo II.
Spear: Bone Spear. A Necromancer attack skill.
Spike: Wizardspike Elite Unique Bone Knife.
Spirit: Bone Spirit. A Necromancer attack skill.
SS: Stone Skin.
S/S: Sword/Shield.
SS (Storm): Stormshield Elite Unique Monarch Shield.
Stormspire: Stormspire Elite Unique Giant Thresher.
STR: Strength.
String (SoE): String of Ears Exceptional Unique Demonhide Sash.
SW (Warrior): Shadow Warrior.
SW: Shock Wave. A Druid shape shifting skill.
Tal's Orb: Tal Rasha's Lidless Eye Set Swirling Crystal.
Tarn: Tarnhelm Unique Skull Cap.
TE (Tele): Teleport.
thx: Thanks.
TGod (TGV): Thundergod's Vigor Exceptional Unique War Belt.
Tiamat's: Tiamat's Rebuke Exceptional Unique Dragon Shield.
Titan's: Titan's Revenge Unique Ceremonial Javelin.
TK: Telekinesis.
TP: Town Portal.
TP: Teleport. A Sorceress skill on the lightning tree.
TPJ: Thomas Penfield Jackson. Founder of the Amazon Basin.
Trav: Travincal in Act 3.
TS: Thunderstorm. Sorceress lighting tree attack skill.
TS: Tiger Strike.
ttyl: Talk to you later.
Tucs: Bartuc's Cut-Throat Unique Greater Talons.
Twitch: Twitchthroe Unique Studded Leather Armor.
ty: Thank you.
tyt: Take your time.
tyvm: Thank you very much.
Ume's: Ume's Lament Unique Grave Wand.
Valk: Valkyrie. A skill on the Amazon Passive and Magic tree.
Valor: Arkaine's Valor Elite Unique Balrog Skin.
Vamp: Vampiregaze Exceptional Unique Grim Helm.
VIT: Vitality.
w8: Wait.
wb: Welcome back.
WC: War Cry. A Barbarian warcry.
WF (Windforce): Windforce Elite Unique Hydra Bow.
Wizardspike: Wizardspike Elite Unique Bone Knife.
WoF: Wake of Fire.
WoI: Wake of Inferno.
Wote (WOE): Wall of the Eyeless Unique Bone Shield.
WP: Waypoint.
WSK (WK2): Worldstone Keep Level 2 in Act 5.
WT: WeaselTech.
WB: WereBear. A Druid shape shifting skill.
WW: WereWolf. A Druid shape shifting skill.
WW: Whirlwind. A Barbarian combat skill.
WWS: Witchwild String Exceptional Unique Short Siege Bow.
YMMV: Your mileage may vary.
y: Yes.
yw: You're welcome.
Zerk: Berzerk. A Barbarian combat skill.
Zon: Amazon.