Green’s Dictionary of Slang

(drugs) the occasional use of drugs; also as adj.

1936		D. Maurer ‘Argot of the Und. Narcotic Addict’ Pt 1 in AS XI:2 123/1: joy-popper. A person, not a confirmed addict, who indulges in an occasional shot of dope. However, joy-popping is usually the beginning of a permanent addiction.
1953		T. Runyon In For Life 90: The joy-popping brigade found itself more than a little warm.
1956		H. Gold Man Who Was Not With It (1965) 27: No joypopping, hear? Stay off, kid.
1958		A. King Mine Enemy Grows Older (1959) 44: There’s no such thing as just joy-popping.
1971		R.V. Guthrie Psychology in the World Today 262: [...] evidence of the ‘joy popping’ of heroin and the ‘mainlining’ of cocaine by a few of these youngsters.
2001		ONDCP Street Terms 13: Joy popping — Occasional use of drugs.