drug-pushing
slang (originally and chiefly US )
noun
The action or practice of selling drugs illegally; (more generally) the promotion or encouragement of drug use.
adjective
That sells (addictive) drugs illegally; (more generally) that promotes or initiates the use of drugs.
Origin
1950s; earliest use found in ‘Francis Newton’ (b. 1917) (real name Eric Hobsbawm).