Green’s Dictionary of Slang

cokie n.

also coakie, cokey
[coke n.1 , on pattern of junkie n.]

1. (drugs) a habitual user of cocaine; thus Cokie Joe, a personification of a regular cocaine user.

Marion Star (OH) 3 Apr. 17/5: One of the prisoners, a confirmed ‘cokie,’ who could not live without his snowflakes.
[US]T.A. Dorgan in Zwilling TAD Lex. (1993) 28: Is that guy just gittin’ over a party — or is he a cokie or has he got chills or what?
[US]J. Lait Gangster Girl 166: The cokies an’ the dopies who pick up this stuff.
[US](con. 1920s) C.W. Willemse Behind The Green Lights 333: You never know what a cokey will do.
[US]S. Longstreet Decade 82: Is he a snow-boid? Those cokies are cards when they get a load of nose-candy.
[US]R. Chandler High Window (1951) 60: Out of the apartment houses come [...] fly cops with granite faces and unwavering eyes; cokies and coke peddlers.
[US]Murtagh & Harris Cast the First Stone 14: The girls never bother the alkies and cokies of the street.
[US]B. Jackson Get Your Ass in the Water (1974) 133: Now Hypo, he was a gentleman, and Cokie, he was a rat, / a smoker can respect himself, but a drunkard can’t do that.
[US]E.E. Landy Underground Dict. (1972).
[US](con. 1920s) Courtwright & Des Jarlais Addicts Who Survived 68: See it was no disgrace to be a cokie – they used to call them ‘cokies’.

2. (drugs, also coke) a habitual user of heroin or opium.

[US]New Republic VI 22 Apr. 314–6: The purveyors who sell heroin [...] became terrified, and for a time illicit traffic in the drug almost ceased. This was particularly acute just before the law went into effect on March 1, 1915, a period which is referred to by the ‘cokies’ as ‘the panic’.
[US]N.Y. Times 18 Dec. n.p.: Germany would have fallen upon a world which cried for its German tooth paste and soothing syrup — a world of ‘cokeys’ and ‘hop fiends’ which would have been absolutely helpless when a German embargo shut off the supply of its pet poison.
[US]J. Callahan Man’s Grim Justice 192: The keepers laughed at us and called us ‘coakies’ and ‘hop heads.’.
[US]C. Martinez ‘Gats in the Hat’ in Gun Molls Sept. [Internet] ‘A snowbird did this job.’ [...] ‘If it’s a cokey, he was working for someone else.’.
[US]Charleston (WV) Daily Mail 31 July 6/8: A cokie is a ‘hophead’ who smokes ‘mud’ or ‘hop’ which is opium. And a gong is an opium pipe.
[US]S. McBarron ‘Coffin Custodian’ Ten Detective Aces Apr. [Internet] I saw his pudgy hand go out in a gesture to the cokey at the end of the bar.
[US]E. Hunter ‘. . . Or Leave It Alone’ in Jungle Kids (1967) 54: ‘All right, cokie, what’d you do with it? [...] The syringe and the package.’ [i.e. of heroin].
[US]W. Brown Teen-Age Mafia 52: You want to cool your heels while the coke who brought you here gets his feel of the spooky-woogy?

3. (US Und.) any form of drug addict.

[US]M.C. Sharpe Chicago May (1929) 144: The women cokeys illustrate their lack of professional etiquette in this way.
[US]C. Hamilton Men of the Und. 321: Cokey, [...] 2. A drug addict.
[US]E. De Roo Big Rumble 56: Theirs was 8-D, where Mike had evicted a ‘den of cokies’ as he called them.

4. (US gang) a boy, usu. derog., esp. when referring to a member of another gang.

Hal Ellson Duke 50: I see one of their cokies standing in a doorway [...] I give him an evil look.