stardust, n. — Green’s Dictionary of Slang

stardust n.

[ext. of dust n. (5), underpinned in sense 1 by the popularity of cocaine among rock and film stars]

(drugs)

1. cocaine.

1954		Maurer & Vogel Narcotics and Narcotic Addiction.
1969		R.R. Lingeman Drugs from A to Z (1970).
1972		B. Rodgers Queens’ Vernacular.
1989		J. Morton Lowspeak.
2001		ONDCP Street Terms 20: Stardust — Cocaine.
2008		Post-Star (Glen Falls, NY) 3 Aug. 18/5: There are many slang terms for cocaine [...] big C, blanco, blast, [...] girl, heaven, Mama Coca, [...] pimp, she [...] toot, trains, stardust.

2. phencyclidine.

1984		Abel Dict. Drug Abuse Terms.
2001		ONDCP Street Terms 20: Stardust — [...] PCP.