A single nail that is polished with with extra flare during a manicure, typically the ring finger. It can be accented with glitter for a more impact.
Person 1:I like your manicure, especially your party nail.

Person 2: Thanks, I saw it on Pinterest.
by spiceok December 24, 2013
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A finger nail that's generally longer than any other nail used specifically for snorting cocaine.
Did you see that dude's party nail? We should get some blowcaine from him.
by Donkey brains August 7, 2015
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