Top Definition
two people who are classmates in biology. One female, One Male. Each bonded by nipple size, location, and hairiness. They never actually see each others nipples or have the desire to but have a general idea.
Hugo and Alex are nipples partners.

Alex does all the work while her nipple partners Hugo plays Tetris.

We are going to be nipples partners for life!!!!!!
by Billy Buck Black November 06, 2013

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