tittie knuckle

A large mountain like nipple. Often pointy and longer then 5 inches

Bro, did you see Jenessa's tittie knuckle and that party last night?

-- Yeah bro shit was pointy!!

by Tottyknuckelbro May 27, 2017

titty knuckles

When your titties are as hard as knuckles.

Man, he has a case of titty knuckles.

by John_Wick June 1, 2018