coke nails

The fingernails you grow the longest, and use for grinding cocaine.

"Dude, why are your fingernails so damn long?"

"Oh, that? These are my coke nails. I use them for grinding my cocaine. Why else would I grow them so long?"

Coke nail

An extremely long nail (usually the pinky) to scoop up "coke" (cocaine) and snort into the nose with ease.

Damn, I bet that dude could fit 100 grams in that coke nail.

Coke nails

When a person has those really long, almost useless fingernail(s) that could only be good for one thing, snorting cocaine.

Look at the amount of drugs she can fit on her coke nails!!

coke nails

Long little fingernails used for snorting cocaine

I scooped up some coke with my coke nails and snorted it.