Definition of drug culture in US English:

drug culture

noun

  • 1The cultivation of plants for use in medicinal drugs, herbal remedies, etc. (now rare).

  • 2The subculture surrounding habitual recreational or illegal drug use; especially the practices, paraphernalia, or language associated with the sale and use of recreational or illegal drugs.

Origin

Late 19th century; earliest use found in American Druggist.