Asking “Have you a brought the ‘cack sacks’ ?”, when setting out on a dog walk.
When one person breaks away from the circle in a game of Hacky Sack in order to show off.
Man, Brent's such a sack hog he's had for 6 minutes straight
when someone opens the car door and pushes a friend onto the road while holding on to them, the road will give the person a horrible rub burn on their balls.
friend: lets give this dude a road sack
other friend: alright bro
me: AAAHHHH
One who teabags. Can mean in real life or in a video game.
Random conversation: That guy's a total fucking sack packer.
After dieing in Halo 3: Fuck, I was killed. Fuck you you teabagging sack packer! (after seeing some noob teabagging the corpse)
The irrelevance of a freckle right on your sack. You know it's there but nobody cares
"Whatever you say, Sack Freckle"
a interesting way of expressing your sudden surprise or disbelief in bad things
bob: what the frack sack just happened to mary
shank: she was shot
bob: welp
When a male shaves his balls and accidentally cuts his sack leading to a gash that leads to a never ending cycle of lacerations
Son- Hey Dad, I think I have Battle Sack from accidentally cutting my balls while shaving in the shower the other morning. What should I do?
Dad- Hey Son, I'm sorry to tell you but you're fucked for life.