Sack is derived from the term "sack of shit". It describes someone who is unworthy of even being filled the feces that would reside within a "sack of shit". It is usually used to describe a person who is extremely lazy or is performing an extremely lazy act.
Friend #1: "Hey man can you shut the lights off?"
Friend #2: "Sorry bro. Busy."
Friend #1: "Dude you're right next to them. Just reach over and shut them off."
Friend #2: "Man that's too far away. I'm busy."
Friend #1: "Busy doing what? You've been playing League of Legends and eating toaster waffles on my couch for six hours."
Friend #2: "Exactly. I'm busy."
Friend #1: "You're a fucking sack."
Friend #2: "Sorry bro. Busy."
Friend #1: "Dude you're right next to them. Just reach over and shut them off."
Friend #2: "Man that's too far away. I'm busy."
Friend #1: "Busy doing what? You've been playing League of Legends and eating toaster waffles on my couch for six hours."
Friend #2: "Exactly. I'm busy."
Friend #1: "You're a fucking sack."
by Kflop Fats January 25, 2013
1) girl i sack your new top, it's so cute!
2) man that chick is sackin' me hardcore, she calls me everynight!
3) i know you sack her back!
2) man that chick is sackin' me hardcore, she calls me everynight!
3) i know you sack her back!
by elz bellz November 04, 2007
by diegothehumanrocket April 23, 2006
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) 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
2) lick my sack
3) that guy just got completely sacked by that crazy mofo
4) ohh sack that hurt
by ryan tanzi May 10, 2008
by Shane The Juggalo February 20, 2005
by funnyman21224 July 31, 2010