These abbreviations are commonly used on the newsgroup rec.games.roguelike.adom. Many of them are used in these documents as well. They are used partly to protect new players from spoilers and partly for speed.
In general, a leading P for potion might be replaced by ! for potion. Likewise a leading S for scroll might be replaced by ? for scroll and a leading W might be replaced by \ for wand.
In general, artifacts, locations and NPCs are capitalized in the description.
7LB - seven league boots ACW - Ancient Chaos Wyrm AMW - Ancient Mummy Wrapping Andy - Andor Drakon AoB - amulet of balance AoC - amulet of chaos AoLS - amulet of life saving AoO - amulet of order AotME - Axe of the Minotaur Emperor AP - Assassin Prince ASB - Ancient Stone Beast Barney - Srraxxarrakex (big purple dinosaur) BDC - Blue Dragon Caves BoW - Bracers of War CoC - Caverns of Chaos CoK - crystal of knowledge CoS - Crown of Science DD - Druid Dungeon DH - Dwarven Halls DSM - dragon scale mail DT - Dwarftown EM - Emperor Moloch EPM - eternium plate mail Fisty - Fistanarius GM - greater moloch GTB - greater telekinetic blast HMV - High Mountain Village HP - hit points ID - Infinite Dungeon IIRC - if I recall correctly IME - in my experience Kelly - Khelavaster Kenny - the cute dog (South Park and the cute dog's tendency to die in every game) LBoH - long bow of hunting LoS - line of sight MM - Mad Minstrel MT - Mana Temple MWS - magical writing set N+S - combination of Needle + Sting, the artifact daggers NG - newsgroup (usually rec.games.roguelike.adom) NPC - non-player character PC - player character PC - Puppy Cave PG - Platinum Girdle PoCC - potion of cure corruption PoEd - potion of education PoEH - potion of extra healing PoEx - potion of exchange PoGA - potion of gain attributes PoI - potion of invisibility PoUH - potion of ultra healing PP - power points RGRA - the newsgroup rec.games.roguelike.adom RNG - random number generator RoI - ring of ice RoI - Ring of Immunity RoR - Robes of Resistance RotF - ring of the fish RotHK - Ring of the High Kings RotMC - Ring of the Master Cat SC - Scintillating Cave SIL - the dungeon level where MaLaKaI resides SLB - seven league boots SMC - Small Cave SoCR - scroll of chaos resistance SoFS - scroll of familiar summoning SoGI - scroll of greater identify SoN - Sword of Nonnak SotS - Shirt of the Saints TB - Thomas Biskup TC - teleport control TotRR - Trident of the Red Rooster ToEF - Tower of Eternal Flames twins - combination of Needle + Sting, the artifact daggers UCG - ultimate chaos god ULE - ultra lawful ending UNE - ultra neutral ending VD - village dungeon WADOMF - cheater program/player character editor for windows WMoPC - writhing mass of primal chaos WoD - wand of destruction WoT - wand of teleportation WoTC - wand of trap creation WoTD - wand of trap detection WoWi - wand of wishing YAFM - yet another funny message YAGBU - yet another Guidebook update YASD - yet another (sad, strange) stupid death YAVP - yet another victory post