Big D: n. 1. Dungeons & Dragons. 2. any of the official versions of D&D as published by the game's current or historical Corporate Overlords. 3. when prefaced by a definite article--as in "The Big D"-- The Invoked Devastation
Cool J: n. (derived from the acronymized form of "Labyrinth Lord" and an associated pop culture reference of the late 20th and early 21st century) n. the preferred term amongst elite role players for the person who runs the game. Formerly gamemaster, DM, referee, judge, et. al.
Dice-chucker: n. (from Eng. for "one who throws dice") 1. a person who relies on dice to resolve actions or situations, 2. a dungeon that involves lots of combat but very little opportunity for roleplay, 3. a person who mistakenly enjoys something for a reason other than why you think it should be enjoyed
Fantastical Subterranean Medieval Combat & Treasure Seeking Role Playing Game: n. working
title of the game rules that later became known as Dungeons &
Dragons. Also, the first recorded appearance of an ampersand in a game
rules title. Usually known by the acronym FSMC&TSRPG.
Fiver Basic: n. the basic rules for D&D's 5th edition.
gingerbread man: n. as in "You can't catch me I'm the --" in published adventures, a non-player character that the players are not allowed to mess with because he/she/it is possessed of insurmountable means of eluding their grasp. The meaning can also be applied to NPCs who are inordinately powerful compared to the party as well as inanimate objects that are described as indestructible, immovable, or placed out of reach by all reasonable means of approach.
hench: v. to run a character as a hencher to your player character. As in, "I henched the cleric in the last campaign, it's someone else's turn."
hencher: n. a henchman or henchwoman; henchperson
k-jen: n. abbreviation for "Character generation"
pre-jen: n. abbreviation for "Pre-generated", as in the pre-generated characters often provided in the back of old-timey D&D modules.
RCF: n. abbr., Rain of Colorless Fire
Wizdom: n. a measure of a character's capacity to focus or devote fully his or her mental energies toward a task, vocation, cause, code of conduct, belief system, or divine/malign force or being.