1)abbreviated term for Dumbass

1b)ussually used to cloak the term dumbass from figures of authority
1) Dude 1:Marco gave his e-mail in an internet chat.
Dude 2: That DM

2) The librarian said she would stab me if I called him a dumbass, I called him a DM instead
by Mongoosegangsta February 27, 2010
a roasting on someone, usually to insult or make the person feel like shit. Also to bring up the past or events that remind them of someone.
You fucked that whale?
dude, DM
by iaswean March 14, 2010
abbreviated form of "dick mouth" sometimes used as to prevent the surrounding audience of fully comprehending the insult (teachers, parents, etc).
The substitute teacher is such a DM!
by oak156 June 26, 2009
The leet COD Coder; xBot/FuRy maker. OpenGL coder
omfg dM your hacks rule!
by dM May 25, 2004
A DM is a dirty mexican that has a little fuzzy mustache and talks with an accent. He will Honk, yell or whistle at you when you walk by. Steer clear of all DM...aka Gardeners.
What a DM.
by nikkerboker May 31, 2010
7,2, dextromethorphan hydrobromide
A synthetic opioid analog. Closely chemically related to levomorphinan. Contained in cough syrups for use as anti tussive. Used recreationally at doses exceeding 100mg. Also known as ROBO deriv.fr.ROBitussin
Wendall's all cracked out on DM
by robotronic December 04, 2003
An abbreviation for the band "Depeche Mode".
DM has beautiful lyrics.
by Allora December 02, 2003

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