When your nipples get so hard, they are as sharp as razor blades.
It's so cold outside that I have nipple blades!
by Darquisha18 December 14, 2013
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When someone Is so cold another person points out that their nipples are so hard that they could cut through diamonds.
The class pointed out to Mr.Terpstra that he had Nipple Blades
by Taylor Swift1234 January 27, 2019
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When your nipples could cut class, diamonds, or concrete.
Example: Yo, why did you get a new mirror?

Had this chick over, but she had nipple blades.
by AlwaysRightKKKMember September 16, 2018
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