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 5, 2016
Get the eraser nipplesmug. by Alejandro87 May 9, 2011
Get the Butchy Nipplesmug. The area around your weenus sometimes bigger than others, but is usually very fun to play with. Unknown to most doctors but is the place ingredients for breast milk is stored until needed. The Nipple Sack is very important for both males and females.
girl 1: "Can I touch your nipple sack?"
boy 1: "I'm a dude!"
girl 1: "Silly your nipple sack is the thing around your weenus!"
boy 1: "I'm a dude!"
girl 1: "Silly your nipple sack is the thing around your weenus!"
by whitebread0101 July 26, 2009
Get the Nipple Sackmug. by Nate T March 31, 2008
Get the MEATLOVER NIPPLESmug. by Story-Teller January 5, 2015
Get the Nipple Twerkingmug. by spikey_696 October 14, 2009
Get the nipple dickmug. 