Green’s Dictionary of Slang

ski n.³

(US drugs) cocaine.

1995

(con. 1985–90) P. Bourjois In Search of Respect 267: We had just bought some ski [powder cocaine] to get lifted.

In compounds

ski-ride (n.)

(orig. US black) a cocaine binge.

2000

(con. 1940s–60s) Décharné Straight from the Fridge Dad 167: Ski ride Cocaine binge.