Boy : look at that sperm whale
Girl : sperm whale? Thats a Whale Sack!
Boy : whats a Whale Sack?
Girl : you.
Girl : sperm whale? Thats a Whale Sack!
Boy : whats a Whale Sack?
Girl : you.
by whalesack May 26, 2014

Sargeant Bohannon shrieked at Private Entwhistle, "Sack up, you panty-wearing dipstick...bayonet practice may save your life...now lunge, thrust, stick and twist...repeat...
by harry flashman July 28, 2003

panty hose that is worn on top of a black man's head to keep his nappy wool from sticking up too far.
by T. Wilson November 2, 2006

by Atomik Spongeface August 12, 2008

A phrase in place of 'give it up' or 'forget about it'. It has even been used in place of 'can't be bothered'.
Q-Do you want to do some work today?
A-Nah, sack it off.
Q-They've already gone. If we left now, we could probably catch them up...?
A-Nah, sack it.
A-Nah, sack it off.
Q-They've already gone. If we left now, we could probably catch them up...?
A-Nah, sack it.
by Thomas Worsley February 10, 2006

the lint that accumulates on the scrotum when one goes without bathing for an extended period of time. This usually occurs when wearing sweatpants and other lint producing garments.
by akfffsf January 14, 2007

I want to slap around a couple of fun sacks but my wife is out of town so I will have to resort to Rosy Palm.
by Donald Cowboy Cerrone October 11, 2017
