Designated Marksman. military marksman role in a U.S. infantry squad. The DM's role is to supply rapid accurate fire on enemy targets at ranges up to 870 yds with a highly-accurate semi-automatic rifle equipped with a telescopic sight. Like snipers, DMs are trained in quick and precise shooting, but unlike the more specialised "true" sniper, they are also intended to lay down accurate rapid fire.
soldier 1: walter shouldn't be the dm cause he sucks at aiming and hes fat.
soldier 2: yeah joe should be dm cause he's much more accurate and sexy.
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An abbreviation for "Display Message", commonly used on forums, game profile as well as IM services.
Joe: Dude have you seen my dm?
Suzy: OMG Larry's gonna love it!
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when girls have 'gossiping sessions' stands for deep and meaningful
omg! susy, i need to have a dm with you billy just asked me out!
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Shortened term of direct message. Commonly used among newer generation.
Dm me later and we can talk about it.
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DM basically short for dont matter
Me (text): Why did you call me yesterday?
Friend (text): Dm
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