Green’s Dictionary of Slang

1. (drugs) to take cocaine.

1974

Frank Zappa ‘Pygmy Twylyte’ 🎵 Crankin’ an’ a-coke’n / In the Winchell’s do-nut Midnite.

2. (Aus.) to experience the effects of cocaine.

2004

L. Redhead Peepshow [ebook] So there I am at the bar and I’m like, coking off my head.