Definitions by BigD4ever

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.

Butt sack by BigD4ever March 15, 2021