It's when men's nipples look like oversized pencil erasers. Permanently hard. If they're wearing a t-shirt you can see nipples from down the block. Sometimes they're natural and sometimes extreme nipple play and pinch twisting can make them that way after a long period of time.
by Clara Fication June 05, 2016

by deftonepiper October 28, 2008

by the real DTRAIN March 29, 2005

by the real DTRAIN March 29, 2005
