A buttsack is when you have very lengthy balls that enable you to stick your sack up your butt, usually is done with maple syrup to make the feces that rub off on it taste better.

I'm on point with my buttsack!
Did you see Henry's buttsack today? It was covered in feces {:

Buttsack by Lexico Koranio March 11, 2020

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Buttsack

A word coined by Ethan (Unus, crank, The Destroyer) Nestor in a fascinating Unus Annus video of them abusing innocent wooden boards.

Using this world is perilous as there can be many different outcomes.

Example one-gud reaction :)

Guy 1: bro, do you ever look at another dudes buttsack and wonder if you're gay?

Guy 2: Only when I look at your buttsack bro.

Guy 1: *tearing up* bro?

Guy 2: *pulling out a ring* bro

Example two-bad reaction :(

Guy 542873: you have a nice buttsack.

Guy 43366: dude wtf?

Buttsack by Ultimate.bi.simp June 15, 2020

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Buttsack

so basically its like a ballsack but one nut is in the front under the shaft and the other one is in the back towards the anus. also called a buttnut. if you were to shut your legs the buttsack nut would be visible from the back while the normal nut is in the front still.

“tie his legs up and tickle his buttsack when he’s on his stomach.”

Buttsack by your majesties sogginess August 16, 2021

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Buttsack

A sack that forms when a person is fucked in the ass so hard, a small sack forms full of blood, shit and cum.

I popped my Buttsack this morning and blood, cum and shit went everywhere….

Buttsack by Meat Box Game April 28, 2022