What does GM stand for?

Green Mother (gaming)

This definition appears very rarely and is found in the following Acronym Finder categories:

Slang/chat, popular culture

Other Resources:

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Grand Multipara Grant Morrison (comic book writer) Grateful Med Gravity Field and Mass Determination Measurements (NASA) Gravity Model Gray Matter Great Move (online chess) Greater Manchester (UK) Green Machine (nickname for The Cavaliers Drum and Bugle Corps, Rosemont, IL) Green Manure		Gross Margin Grotesque Mask (Everquest gaming) Ground Mapping Ground Mobile Group Manager Group Message Group Metric Group Modem Growth Medium Growth Monitoring

Samples in periodicals archive:

A MEAN, green mother from outer space is about to land at the Priory Theatre in Kenilworth and it's hungry for blood.

Stage Whispers; What's On

He is not wrong, but when he learns of this "mean, green mother from outer space's" bloodthirsty tastes he realises he's bitten off more than he can chew.

Horticulture horror to whet appetite of all musical lovers; THEATRE

Byline: By Ross McCarthy A HALL GREEN mother who used eBay to dupe four men into parting with cash by pretending she had a laptop computer for sale has avoided a prison sentence.

South City News: Mum duped eBay buyers; HALL GREEN: Woman gets ...