Commonly used on twitter. It means to direct message.
Yo he asked me out anonymously on; didn't even have the guts to dm me!
by MissIrritated July 26, 2013
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DM - Dungeon Master. The person who makes up the story and stuff in a game of Dungeons and Dragons.
by Xyan July 23, 2003
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DM basically short for dont matter
Me (text): Why did you call me yesterday?

Friend (text): Dm
by EABT July 15, 2022
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