Green’s Dictionary of Slang

(US drugs) cocaine.

1984		in Spears Sl. and Jargon of Drugs and Drink (1986).
c.2003		D. Vrij ‘Tying Off’ on Inter-zone.org 🌐 Adding cola to the mix, adds a dimension of space. Its a rush drug, pure and simple, any time any where, a speedball junkie can find a place for a coke hit.