nipples that resemble pepperoni and when tasted checks out as being the common pizza topping.
Ex: man i was sucking my girlfriends knockers the other day and her nipples were huge and they tasted kinda salty, almost like pepperoni

Friend: u my friend just enjoyed a nipple sub
by Dick Gagger May 26, 2014
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The small bumps on a woman’s areola that look like little mini-nipples. The scientific name for sub-nipples is glands of Montgomery, or Montgomery’s tubercles.
I love a tit that has those sub-nipples on the areola.
by Pony Danza April 13, 2022
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