fishscale

plural fishscales · alternative fish-scale

1. countableliteralThe scale of a fish.
2. slanguncountableCocaine, usually of high quality, taken directly off the brick and uncut.

   The kids out here don't know a flake from a fish—if you asked them what fishscale is, they wouldn't know. [Fishscale is high-grade cocaine powder with few rock-like chunks.]

   1989, Terry Williams, chapter 2, in The Cocaine Kids: The Inside Story of a Teenage Drug Ring, page 41

   2 more examples

   Oh shit, it was Fishscale! It was love at first sight. He nearly fell back in his chair. "No mothafuckin' way!" he yelled. He jumped up and danced a little two-step jig and thanked his lucky stars for the come-up. Fishscale cocaine! It was fucking Fishscale!

   2011, Boston George, Caroline McGill, Soft: Cocaine Love Stories, unnumbered page

   "You can get anything on here—isn't it incredible?" Slick Guy continues. "I couldn't believe it, either. I mean anything. MDMA from Holland, high-end weed, fish-scale coke, whatever.

   2015, Duane Swierczynski, Canary, unnumbered page