What is Nipple Sack?
1.
When someone (usually a very obese person) has a nipple with some extra baggage on the bottom of it.
"Dude did you see that guy?!?!?! His tits were hella saggy!!!" "Yeah, I think he has a Nipple Sack!!!
Nipple Sack
See
2.
The area around your
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!"
See