MWM en · NOUN Meanings (abbreviation, alt-of, in personal ads, initialism) Initialism of married white male. alt of married white male Happily MWM 50 weeks per year seeks travel companion for other two weeks! Early January trip. 1993 December 3, “Variations”, in The Boston Phoenix, volume 22, number 49, Boston, Mass.: The Phoenix Media Communications Group, Adult Services, page 3: Forms SpellingFeaturesLabelsSource MWMs Number=Plur lexicographic Coordinates SWM · DWM