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

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

rot in a sack

A general insult for when someone exhausts your patience really quickly.

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!

by Intelligence001 February 3, 2019

sack goblin

A person who loves to gobble on ball sacks.

Karl's a sack goblin. He still swings from Skool Boy's sack.

by Proffessor Wizzy June 18, 2008

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

Stiff Sack

Being a boring/square person, not being involved in group activities

Chris doesn’t want a shot, he’s being a proper stiff sack

by Sandra, Holly, Emily, Chris April 30, 2021

FB sack

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

by 1337c0d3d00d November 11, 2016