DM noun 21verb 2forms 4 noun21 •(informal) A Dr. Martens boot or shoe.She kicked a hardback book with her left DM boot (14 eyelets were the minimum she would settle for), but the bestseller persisted in her path. — 2012 •(Internet) Initialism of direct message (type of message on social media platforms).He later sent me a DM mentioning that he would send me what he wears because he does a lot of walking. This is where the relationships online can get a wee bit weird. — 2012 •Initialism of dungeon master or dungeon mistress.DQ: "DM" stands for "Dungeon Master"--or I guess in my case Dungeon Mistress. *blinks* _That's_ got all kindsa wrong connotations, doesn't it? #o_o# — 2004 •Initialism of dungeon master, dungeon mistress, or dungeon monitor.Dungeon Master (DM) decisions are final. No appeals, arguments, or whining allowed. If a DM says to stop a scene, the scene must stop immediately. — 2003 •Initialism of Deutsche Mark. •Initialism of diabetes mellitus. •Abbreviation of dark matter. •Initialism of defensive midfielder. •Initialism of duty manager. •Abbreviation of dextromethorphan; also DXM. •Initialism of dry matter. •Abbreviation of display manager. •Initialism of deathmatch. •Initialism of divemaster. •Initialism of dialectical materialism. •Initialism of De Morgan’s law. •Initialism of dimensional modeling. •Initialism of dermatomyositis. •Initialism of dust and mist. •adamsite, diphenylaminechlorarsine •driving motor car verb2 •(Internet) To communicate by direct message, usually on a social media website.Rio [Ferdinand] DM’d me after the tournament. He’d said I was the weak link, and that Croatia should be targeting me. — 2021 •To dungeon master; to perform as a dungeon master; to run a tabletop role-playing game. formsDM'd · DMed · DMing · DMs
