Definition of "GWM"
GWM
noun
plural GWMs
(in personal ads) Initialism of gay white male.
Quotations
SO's affection for cats is important, but not nearly as important as not being allergic! It's really irritating to date a person who stops breathing whenever he's in your apartment. "GWM, 26, ISO G/BiM, must be kind to animals and have no allergies to pets..."
1992 November 23, Joseph E. Beason, “Re: gayfolk and cats”, in soc.motss (Usenet)