GM

Stands for Game Master. Its A nickname for the Police used by game players. Also called Moderators.

Yo its the GM's, ditch the fuckin pipe or they will ban it.

by Lance Samson December 8, 2006

GM

abbreviation of "Generic Mexican". Those girls and guys who wear the stretchy headbands, big t-shirts, capris, big shoes with the tongue sticking out all the same color. They act the same, talk the same, walk the same, they are the same! Can be seen in both genders and multiple ages from 5-50. It is a virus people.
* White people can be GM's as well.

Morty: Wow that girl Kelly is white but she's ghetto...
Northrup: dude she's a GM and a GM lover!
Morty: oh..

by Addicted to Coca-Cola and Cheese May 29, 2007

GM

good morning
a phrase used for an abbreviation of the common greeting often used in chatrooms

Boy: Gm sexy
Girl: Gm?
Boy: Oh sorry its morning here. Good evening to you

by elloese May 2, 2014

GM

To cap out a skill in a game, or raise a skill to it's highest level. Also-- Grandmaster.

Originally from certain MUDs, but widespread use began with Ultima Online.

I just GMd my Fletching, Smithing, and Tailoring. Now I can go outside and possibly learn what this 'female' thing is I keep hearing about.

by Fetch April 28, 2004

GM

Good Mannered, a term most people use now a days online when they don't want stupid ass people going into their channels on B.Net going "YOU SUCK DICK..." etc. etc.

Player 1: Hi, are you GM?
Player 2: FUCK NO
Player 1: Oh, then I don't want to game with you sorry...
Player 2: STFU nerd!
Player 1: >kick Player 2 manner please
Player 1 has kicked Player 2 out of the channel.

by Frank G. November 20, 2004

GM

Any of a line of engineering abortions produced for the last hundred years or so. Similar to a medieval torture device, but without the quality. Any automobile belonging to the fecal genus.

My GM is such a steaming pile of feces, I can't bring my self to spend $10 on a car wash.
or
How unusual, there is a GM that still runs.

by Jeff March 12, 2004

GM

Stands for General Motors. Often used in shorthand as an umbrella term for its several brands (Chevrolet Pontiac Oldsmobile Buick Cadillac Holden Hummer Saturn GMC) etc.

Friend 1: I just got a Chevrolet Chevelle!
Friend 2: ugh more GM junk... Whatever floats your boat I guess

by Welldavis December 7, 2021