Shako - The elite version of a Cap, but more notably used in place of the Unique Shako, Harlequin Crest
Occy - Short for The Oculus, a Unique Swirling Crystal Sorceress Orb
SoJ - Initialism for Stone of Jordan, a powerful Unique Ring that has historically been used as currency or to summon Uber Diablo by selling it to NPC merchants
BK - Bul-Kathos, usually referring to Bul-Kathos' Wedding Band or the Bul-Kathos set
40/15 - A jewel with 40% Enhanced Damage and 15% Increased Attack Speed(IAS)
IAS - Increased Attack Speed
ED - Enhanced Damage, and sometimes Enhanced Defense
3os, 4os, 5os, 6os - X open Sockets, referring to the amount of Socket slots an item has available for Runes, Jewels, or Gems to be placed into
Eth/E - Ethereal, an item property which enhances the base weapon damage or defense of an item and renders it unable to be repaired
Torch - Hellfire Torch Unique Large Charm obtained from the Uber Tristram Pandemonium event that is limited to one per character
Anni - Annihilus Unique Small Charm obtained from Uber Diablo and limited to one per character
Baba - Barbarian class
Sorc, Soso - Sorceress class
Pally - Paladin class
Zon - Amazon class
Sin - Assassin class
Dudu/Dru/Drood - Druid class, for strange people
HotO - Heart of the Oak Runeword, a strong caster weapon
CtA - Call to Arms Runeword, used to grant any class Battle Orders(BO) skill, usually held as a secondary weapon that you can swap to
Eni, Nigma - Enigma Runeword, one of the strongest items in the game because it can grant the Teleport skill to any class
HR - High Rune, refers to the more rare runes out of the 33 runes total runes which exist in Diablo 2. This term is usually used for trading purposes as Runes are often used as currency.
STR - The Strength character attribute
DEX - The Dexterity character attribute
VIT - The Vitality character attribute
FHR - Faster Hit Recovery stat
FRW, FWR - Faster Run/Walk stat
FCR - Faster Cast Rate stat
FBR - Faster Block Rate stat
MF - Magic Find stat
GF - Gold Find stat
Grush - Glitch Rush, a method of helping another player quickly progress their character through the game (rushing), which uses glitches in order to bypass content that would normally be required
DS - Deadly Strike stat, gives a chance for weapon attacks to deal double damage
CB - Crushing Blow stat, gives a chance to deal percentage damage to the enemy based on their current remaining health
OW - Open Wounds stat, gives a chance to cause periodic damage to the enemy
CtC - Chance to Cast, refers to a type of stat that grants a chance to cast a certain spell on either attack, strike, being hit, dying, or leveling up
DR - Damage Reduction, percentage based reduction of incoming physical damage similar to elemental resistances
Res/All Res/Resist - All Resistances stat, gives percentage elemental resistances against Cold, Fire, Lightning, and Poison
PDR - Flat Physical Damage reduction stat, reduces Physical Damage taken by X, calculated after percentage mitigation
MDR - Flat Magic Damage reduction stat, reduces Magic Damage taken by X, calculated after percentage mitigation
PK - Player Kill, killing another player
ISO - In search of (trading)
BIN - Buy it now (trading)
FG - Forum Gold, out-of-game currency created and managed by a Diablo 2 trading website or forum used to trade for Diablo 2 items
Script - The description of a game, used to hold more text than what can be written in a game's name. For example, a game's name on the join game list may be "trading for script", and the game's description would say
"perfect Titan's Revenge" or whatever the game creator is looking for. So then the game name could be interpreted as "trading for perfect Titan's Revenge", which would normally be too long to fit in the game name.
WUG/WUW - What you got/want? (for trade)
NN - No need, used to express that an item or group of items is not desired by a trader
T4T - Thanks for trade
Skiller - A grand charm that grants a skill tree, for example, +1 Lightning Skills
Hdin/Hammerdin - A Paladin utilizing the hammerdin build, a build that focuses on dealing damage with the Blessed Hammer skill
Pindle - Pindleskin, a named Unique monster commonly slain quickly and repeatedly for items
CS - Chaos Sanctuary
Trav - Travincal
NG - Next or new game, usually seen in game chat right before a game's creator leaves to go and create another fresh game to continue a series of runs
CBaal - A type of run where Chaos Sanctuary and Diablo are done before Baal is killed in the same game
Forge - Short for Hell's Forge, a quest in Act IV that rewards Gems and Runes, sometimes used as payment for being rushed through the game by another player
LK - Lower Kurast, a type of run that is often used to acquire runes and charms from opening chests, among other items
Run - A game that is made for the purpose of doing specific content in quick succession, usually repeatedly across a series of different created games
Farm/Farming - Completing game content with the purpose of acquiring experience points, items, or gold
Tele - The Teleport skill, used by Sorceresses or those with the Enigma Runeword
Mule/Muling - A character used mainly for storage, or the act of transferring items and/or gold to a mule character
Charsi - The blacksmith in Act 1, or a term used to describe an item's worth as "useless except for the gold you get from selling it to an NPC merchant"
BM/GM - Bad Manner/Good Manner, refers to player behavior or tactics, usually when dueling. For example, killing a player while they are on their way to pick up their corpse is BM. In some dueling circles, certain equipment may even be seen as BM.
NK - Naked Kill/Naked Killing, killing a player when they have not yet recovered their corpse and equipment
WP/GG/GD/GF - Well Played/Good Game/Good Duel/Good Fight
PP - Party Please, a request to be invited to a game's party(group)
TP - Town Portal, sometimes said in chat as a request for a Town Portal to be opened or inviting players to enter a Town Portal
SC/LC/GC - Small Charm/Large Charm/Grand Charm
BComb/PComb - a Grand Charm with +1 to Barbarian/Paladin Combat Skills
BC - The Battle Command skill, used by Barbarians or those with the Call to Arms Runeword
BotD - Breath of the Dying Runeword
Bowzon/Bowazon - An Amazon class character specialized in using Bow or Crossbow attacks
BP - Breakpoint, a threshold where a certain stat reaches a new level of effectiveness. Stats with breakpoints include Faster Cast Rate(FCR), Faster Hit Recovery(FHR), Faster Block Rate(FBR), and Increased Attack Speed(IAS).
BvB - A Barbarian class build designed to duel other Barbarian players
BvC - A Barbarian class build designed to duel casters
BvE - A Barbarian class build designed for dueling a wide range of opponents
PVP - Player Versus Player, combat between two or more players
Char - Character
CoA - Crown of Ages, a Unique Corona
Cows - Refers to the Secret Cow Level, an area filled with cows that can be reached by opening a portal after combining Wirt's Leg and a Tome of Town Portal in the Horadric Cube
Dungo - Verdungo's Heart Cord, a Unique Mithril Coil
DC/DCed - Disconnect/Disconnected from online play
Diablo Clone/Uber Diablo - Synonyms
Dracs/Draculs - Dracul's Grasp
DW - Death's Web
ES - The Energy Shield Sorceress Skill
FB - Fire Ball
FO/FOrb - The Frozen Orb Sorceress Skill
Fort - Fortitude Runeword
FR/CR/LR/Psn Res - Fire Resistance/Cold Resistance/Lightning Resistance/Poison Resistance