I used to have this dog and my parents never got him neutered. So when i was little, I believe his ball sack is where his poop was kept until more poop came, and he'd poop out the previous poop, and the new poop would be kept in his ball sack, and so on.
A childhood belief about cats and dogs

others believed things like this
- I actually asked my mother if mixing girls' poop and boys' poop would cause an explosion.— kraine
- My poop was always around the same color as my skin so I assumed white people's poop was white.— jaycee
- when I was little I used to think that white people had pink poop (i am brown so my poop is brown)— helena muteka
- Until I tried it in 3rd grade, my parents told me that if I ate paper my poop would come out in packages.— The Mailman
- I used to believe that if you had a pee AND a poop at exactly the same time, then you would die— ange
- I used to believe that when you went poop a monster would eat it— Confused till age 7 now 11