boner nipple 

Very "out coming" or "outward" nipples usually on males

When females get boner nipples is called nipping; when females get boner nipples it's called a nipping

Aye bro you cold you've got some boner nipples

boner nipple by Random_fact_girl May 2, 2015

nipple boner 

When your nipples get hard.

It's cold in here, I just got a nipple boner!

nipple boner by flash dance hobo May 19, 2006

Nipple Boner 

When your nipples become hard and stick out.

Tom "He i can see her nipples through her shirt."

Jim "Ya, she has a nipple boner."

Nipple Boner by jimbo4444 July 25, 2012

Nipple Boner 

Erection in the nipples

"Damn I have a nipple boner"

Nipple Boner by CockBlocker42 October 28, 2019

Nipple Boner 

A nipple boner is usually a small foreign penile protruding from a woman's breast; Usually milky in color and it smells like shat.

Ron: Is that a little penis coming out of your nipple?

Black girl: No dick, it's my nipple boner.

Nipple Boner by Oprah Adolf Hitler April 3, 2009

Nipple Bone Disease

The worst disease ever been known to mankind. Only the most unfortunate are diagnosed with it.

Oh man did you feel his nipple!

Yeah man, he had it bad....
Yep, a defanite case of nipple bone disease

Nipple Bone Disease by george jenkys October 27, 2010