Top definition
Having a flattened finger nail due to constantly scraping off the foil from 5gum or any other foil backed gum wraper leaving just the paper to roll your greens in. Most oftenly occurs on the thumb and or index finger.
guy: do you think mike smokes?

dude: are you kiding he has the worst five nail I've ever seen
by drewdt April 11, 2011
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