Top Definition
The greatest extent at which one's nipples can protrude. Typically brought on by frigid temperatures.
Hey dude! That chick has one serious case of hypernippulation.
by Logan Botzman November 30, 2003

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×