(derogatory) A person who frequently uses illicit, narcotic, or psychoactive drugs and has a drug addiction.

plural of doper

(slang) An individual who is from a street gang and sells drugs.

(derogatory) One who uses performance enhancing substances for competitive gain, especially illegally. / (derogatory) One who frequently uses recreational drugs; a druggie; a stoner.

comparative form of dope: more dope

plural of dopehead

plural of dopester

Stupid, silly.

superlative form of dope: most dope

plural of dopefiend