sack 

Sack can be used in a number of ways:
1) to insult someone
2) to refer to balls
3) to describe a beating / misfortune
4) to subsitute the word 'shit'

1) dude, that guy is such a sack
2) lick my sack
3) that guy just got completely sacked by that crazy mofo
4) ohh sack that hurt

sack by ryan tanzi May 10, 2008

sack 

Someone's bag of marijuana

Yo, lemme get a sack for twenty!

sack by Shane The Juggalo February 20, 2005

sack 

this verb means to dump someone's bookbag out clean.

guy 1 "Hey, Jim left! sack him."

guy 2 (so guy 2 dumps everything out of Jim's bag)

sack by funnyman21224 July 31, 2010

sack 

A simple bag

I will hack off Trump's head and carry it around in my sack.

sack by The Best UD User January 22, 2017

sack 

a tool

Jon Smith is a SACK

sack by josef von jerkoff July 7, 2010

sack 

A sack is a high school prank. This is how its done.

Step 1: Grab someones bookbag.
Step 2: Empty out the bookbag.
Step 3: Turn the bookbag inside out.
Step 4: Put the books back in.
Step 5: Zip up the bag, and have the metal zipper holding things on the inside of the bag

Guy: haha, that kid just got sacked.

Guy 2: owned

sack by Ernesto 4 April 3, 2008

sack 

One of the greatest past-times of all time. Also known as hacky sack. Probably invented by a bunch of stoners or perverts that thought it would be funny if they invented a game where you smack a sack around.

stoner 1: Hey man let's go play with your sack
stoner 2: Alright

sack by sinbad master December 28, 2005