GMing

Game Mastering (in a roleplaying game). Aka DMing (Dungeon Mastering)

I've been GMing GURPS for the past few years.
We need a new D&D Dungeon Master here, but they are all GMing other games.

by Calliban March 12, 2009

gming

Using gmail's instant message/chat script.

I was gming him all day since I couldn't download aim on the public computer.

by dapaintballer331 April 30, 2006