a butt that is on the front of your body
bob was born with a disability and he has an anial buttsack.
by Its always sunny in philadelph January 31, 2014
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When someone has taken a pee and it has overflowed the buttsack.
Hey man, quit peeing your buttsack!
by The real mike jones November 15, 2014
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Buttsack

/butsak/ (noun)

Buttsack is a noun meaning wrinkly butt or flabby cheeks.
boy that gary had a huge buttsack!
by rhino44allen May 30, 2018
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A lump on someone's but that keeps growing then turns into a pimple. Sometimes it's just fun to call people that name too.
Ew babe is that a buttsack

Shut up Justin stop being such a buttsack
by Sleepyrock December 14, 2016
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When another ballsack grows on one of your buttcheeks. Usually your left buttcheek.
My dad showed me his buttsack in the shower the other day.
by Sean Aske June 21, 2012
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your nutsack connected to the inside of your buttcheeks.
I went to the doctors and got diagnosed with the buttsack.
by trevorpaone May 6, 2017
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