Someone who uses only natural, plant and fungus related drugs and substances. a drug vegetarian will not take laboratory-made or pill form substances.
junkie: hey man you wanna try some Ecstasy?

Drug Vegetarian: no sorry man, I'm a drug vegetarian.

Junkie: oh ok. you wanna go smoke some weed?

Drug Vegetarian: Sure!
by eatyourgreens May 15, 2011
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