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
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 24, 2009
by We hate Josh (who will curse the day he met us..) February 15, 2005
by Alejandro87 April 18, 2011
a person that does something completely out of randomness and always does retarded shit. they ushually do it to seem cool or just because there plain bored. they ushually intend it in a mean way or do/say things that are fucked up to people without even being in the conversation most of the time.
by Jay kiddo April 22, 2010
by Nate T March 29, 2008
by 9Teen7D2 January 19, 2011