When a person has one significantly longer fingernail on one or both hand(s), most often the pinkie nail, which is used for scooping up powder cocaine and snorting it. This is known as doing a bump. The nail becomes the vessel as opposed to needing an item to snort a line of coke through; ie, a straw, rolled up dollar bill, etc...
by Neuroscience Geek August 23, 2013
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The growth of the nail typically reaching the length of but not limited to 1in. usually filed to a point. Used to easily ingest illegal substances.
If it weren't for my coke nails, I'd have to snort through a straw!
by Hulkin'Out August 23, 2013
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The build up of dirt and grease under the nails resulting from the inability to clean oneself properly during a weekend coke binge. Usually noticed at 8am Monday morning after two hours sleep and no time to have a shower before work.

An experienced professional will have a 99p nail brush purchased from Tesco on his person at all times.
"Jesus Christ, who has bled over the note? Fuck that, look at your fucking coke nails!!"

"Oh sweet Nathan has taken posted another selfie - dude, check out his coke nails"

"Can't believe he tried to finger me with his coke nails"
by Lightbulbhead March 14, 2014
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When a person has one especially long nail, used to do cocaine off of. Generally a pinky nail.
"Did you notice that cashier's crazy long coke nail?"
by fiddlepop August 23, 2013
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A long, rounded pinkie nail used to snort coke from. For fiends-on-the-go.
My coke nail is proving more useful every day.
by Derge September 20, 2004
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A super long pinkie nail. Derived from the term used by druggies to sniff coke.
Hey....I just broke my coke nail...I was really liking it too.
by Blackmeowcat July 14, 2004
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A term used to refer a long pinky nail for coke addicts sniffing coke
Damn it my coke nail broke!
by DizzyLizzy February 8, 2007
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