Wiktionary
dope fiend
n. (context pejorative dated English) A person who abuses drugs.
Usage examples of "dope fiend".
He felt he should attack the crazed dope fiend in defense of his wife's honor.
He was like a dope fiend getting the stuff after a long period of deprivation.
Starbuck was a drunkard and a dope fiend, as he seems to have been,”.
They should expand Dougies pedigree to assassin/church bomber/dope fiend.