What's on your mug?

Someone's bag of marijuana

Yo, lemme get a sack for twenty!

By Shane The Juggalo

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)

By funnyman21224

A simple bag

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

By The Best UD User

a tool

Jon Smith is a SACK

By josef von jerkoff

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