Butt sack

Literal meaning
Ball sack sticking in the butthole.

Insult

Call your friend butt sack when he is being an idiot.

John: I woke up last night to my girl giving me a butt sack

John: Dude you are being a butt sack.

by BigD4ever March 15, 2021

Butt Sack

A flap of skin, similar to a nutsack (without the nuts), that dangles from the inside of the asshole to the outside.

Be careful not to sit on your butt sack. That would be painful.

by AlpenWolfer May 10, 2021

butt sack

the sack between your dick and asshole

you sir are a "butt sack"

by butsack March 9, 2024