Green’s Dictionary of Slang

1. (US drugs) a hypodermic syringe.

1967		Maurer & Vogel Narcotics and Narcotic Addiction (3rd edn).
1975		Hardy & Cull Drug Lang. and Lore.

2. (drugs) crack cocaine [misreading of sense 1].

2001

ONDCP Street Terms 23: Yale — Crack Cocaine.