Green’s Dictionary of Slang

drugger n.

a drug user.

[UK]J. Cary Herself Surprised (1955) 234: When I first knew Lizzie I thought she was a drugger or a drinker or worse, to be idle all day.
[UK]H.R.F. Keating Inspector Ghote Hunts Peacock 98: Your precious Peacock was nothing but a low-down little drugger [OED].
Quad-City Times (Davenport, IA) 14 Jan. 60/1: Druggers not only steal from each other [...] but are easy prey to holdup men who know their victims can’t complain to the police.
Billings Gaz. (MT) 14 Feb. 5/4: A co-dependent is usually someone who lives with an alcoholic or drugger.
F.S. Palmisano III ‘Opus’ in mélange II:4 Nov.–Dec. 🌐 seeking out a signature addiction, / a drinker like Buk, / a drugger like Burroughs, / a philosopher like Buber, / a loving father like my own.