Very high-quality cocaine, usually right off the key and uncut. Doesn't look like regular coke---it's flaky instead of grainy, it's sparkly instead of dull, and it's slightly yellow-grey instead of being plain white. Good shit, since 1 gram = ~12 lines. Numbs all the way down and gives you a case of the chills.
That fishscale we got last night was the bomb.
by Buddha420 October 13, 2005
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A term popularised by Kaish, derived for slang terminology for high quality cocaine and subsequently assimilated to be descriptive of anything of high quality or good.
This shit is fishscale!
by squally mommy February 14, 2006
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The stuff that, in Dunkirk, NY, everybody wants, but only the puertoricans have.
I would love some of that fishscale but we gotta go through the ricans.
by no-one-here May 8, 2007
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Cocaine straight off the key(kilo)doesnt have a shine when in the key but when broke has shiny layers on each lump looking like a shiny pearly flake bit like if u opened a can of tuna flakes and broke those layers apart each layer would have a shiny pearly coating to it just like fischscale coke
Thats fishscales harrys gots pure mint
by Thebestpackage February 24, 2018
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