sail sack

When your scrotal sack sticks to each side of inner thighsl usually due to long term sitting or swass and when you stand up it resembles the full sails of the Black Pearl.

"Man, I was working in the office all day and when I got up my sail sack had me thinking of my next vacation."

by rounder222 December 23, 2006

Ninja Sack

A prank that is pulled usually in high school by taking someone's back pack, taking everything out, turning the backpack inside out and putting the stuff back in.

Dammit! The seniors ninja sacked me again.

by YarmouthClippers June 13, 2009

nad sack

scrotum

My nad sack is sweaty.

by Tuset September 26, 2010

Skunk sack

The yeastie. Skunky smell off a man's sweaty ball sack

After a long weekend of camping I had the worst case of skunk sack!

by Stan "the sweet stink" D... June 20, 2011

center-sacked

The rare but inevitable occurrence when one male must sit between two other males.

Yo dawg! There's room here in the middle, you ready to get center-sacked?

by heyheywhoooo May 23, 2013

Whale Sack

A Whale Sack is the slang term for a whale genetal. Usually, sperm whales are called this.

Boy : look at that sperm whale
Girl : sperm whale? Thats a Whale Sack!
Boy : whats a Whale Sack?
Girl : you.

by whalesack May 26, 2014

net sack

A term used to describe the virtual balls of people who trash talk in an online thread because they know you can't throttle them through the screen.

"Billy is quiet and indifferent in a crowd, but online he has a net sack the size of an elephant."

by TheGhostrider420 August 7, 2014