1 definition by bonertittays

When a person's nipples, male or female, turn hard after being cold or being aroused. This hardening of the nipples can occasionally be seen through that person's clothing, giving way to humiliation. Usually, however when one person has a case of bonertits, others in that area also have the same symptoms, resulting in a bonertits party.
Steven: Check out those poppin' bonertits on Hannah over there...it must be freezing or something's on her mind.

Hubert: Holy Moly! I must say those are gargantuan! but wait I think I'm getting bonertits too!

Keane: Bonertits.. party of two!!!
by bonertittays March 28, 2011
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