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
by Ernesto 4 April 03, 2008
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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
by sinbad master October 15, 2005
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A stretchy skin pouch used to house the testicles. Useful for storing a load until it can be squirted onto a girl's face. Especially if said girl likes the taste of ball sweat.
"hey babe, I heard you like salt and vinegar"
"lol ya it tastes like ball sweat"
"Wanna lick my sack while I jerk off and cum on your face"
"omg really? Will I get a fat load?
"yeah coz you're a dirty skank"
"sweet"
by skumliterati March 11, 2015
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the extreme, the most extreme. more extreme than balls
it's hotter than motherfucking sack in here.
by steamboat billy January 28, 2005
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In Iowa this term refers to a plastic bag which you may be offered at your local gas station or grocery store. If anyone ever offers you a sack, the correct response is, "sure, I'll take as many sacks as I can get." A sack can also be used as a pair of shorts in a drunken state.
"Would you like a sack with your busch lights and magnum condoms?"

-"Sure, I'll take as many sacks as I can get."
by Colangelo May 06, 2005
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