Top definition
A person who is extremely well-versed in all things related to Marijuana. Usually a dealer or grower himself, a Kushmaster knows how to roll the best joints, pack the most righteous bowls, and he always has a lighter. Kushmasters usually smoke a quad a day or more, and they will be down to bake anytime, anywhere.
Person: Hey Kushmaster Dave, how much for an eighth?

Kushmaster Dave: Sorry man, I only deal in pounds. But have some of this Skywalker OG, its dank as hell (passes J).
by rolltide2528 June 09, 2011
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