1 definition by JonesDogg

The abrupt hardening of the nipples due to cold air or horniness; used to describe the visual observation of the nipples ‘poking’ through a t-shirt one at a time, or both at once.

Nipple one hardens = bink
Nipple two hardens = bink

Bink Bink!
by JonesDogg February 9, 2007
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