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

When you have balls the size of church bells to post something on Facebook that will literally piss off 8 out of 10 of your friends such that most of them unfriend you as a result.
Mich: OMG did you see Phil's post on Facebook? He literally said no wonder we are a country full of P's responding to all the democrats crying that Hillary lost to Trump. Now that's FB sack!
Pills: STD standard
Pills: STD standard
by 1337c0d3d00d November 11, 2016

by heyheywhoooo May 23, 2013

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

A sack full of the harshest insultes know to the modern man
-to be a literal leg
-a replacement swear word in case you're in a dangerous area
-to be a literal leg
-a replacement swear word in case you're in a dangerous area
"Dude did you see the teacher today? He was being the biggest leg sack"
"I wanted to go out tonight, but my mom was being too much of a leg"
"I wanted to go out tonight, but my mom was being too much of a leg"
by Mr. Leg November 21, 2014

Stuffing your balls inside a vaginal cavity like packing a pipe with your thumb while jerking off onto declared body part such as stomach or back (if flexible). Also called "sack n whack".
by deadly muffin November 16, 2010

Okay, uh, I'll tell you what. You can rot in a sack for all I care. Good-bye.
Wait, don't leave!
ROT! IN A SACK!
Wait, don't leave!
ROT! IN A SACK!
by Intelligence001 February 3, 2019
