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4.
one who has completed training at the University of Dragon Mastery.
person1: Where do you go to school?
person2: UDM
person1: What's UDM?
person2: the University of Dragon Mastery, I'm going to master dragons for a living.
person1: Get the fuck outta here, you filthy dragon master in training.
by Nettled January 28, 2004
 
1.
A person who uses his or her sure mastery of dragonological science to conserve and protect dragons
Do you see her? She is a Dragonmaster .
by The Isbey August 19, 2006
 
2.
A person who uses his or her sure mastery of dragonological science to conserve and protect dragons
Do you see her? She is a Dragonmaster.
by The Isbey August 15, 2006
 
3.
A large, beefy white dude with an exclusive jones for little Asian chicks. Can also be used to describe any non-Asian man who only dates Asian women.
Mayu: OMG Chandra, Mei Ling's boyfriend is such a Dragon Master - first he went out with Chae-Eon and Mitsuko, and now he's cheating on her with Tran!

Chandra: I think he just got out of the Army... look at that giant barrel of protein powder in the back of his Rav 4!
by J.J. Rad January 10, 2008