Black Nail Polish meaning Homo-sexual. Comes from Adam Lambert contestant on American Idol Season 8. Adam wears black nail polish. Adam is gay, therefore coming to the term "Black Nail Polish".
"He is so Black Nail Polish!"

"Did you see those pictures? Those poses are so Black Nail Polish!"


"I heard a rumor that Nate is Black Nail Polish!"
by Wordmaster :]] March 11, 2009
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When worn by men is an indicator of the size of his junk. I'm that it would lean twords the skinnyer side.
Did you see Jeremy was wearing black nail polish
You know what that means he has skinny dick
by ProbablyNostril September 24, 2018
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