As a young man I believed that people's buttocks were stored feces. I thought people with large butts were infrequent poopers and people with skinny butss pooed daily.
I made a concerted effort to keep track of my on personal bowel movements for fear that I would forget and get a big butt.
A childhood belief about weeing and pooing

others believed things like this
- That everyone had the same amount of skin and that short people were fat and tall people were skinny.Anon
- I used to think that poop was stored in your buttocks and that's why they're squishy.Anon
- i used to believe that people's buttocks were plump because of the poo filled in it— Diesa
- I used to believe that they got the lunchmeat bologna from cutting off dead people's butts.— angie
- i used to think that your butt cheeks is where your poop was stored. Anon
- Someone told me mascara was made from bat feces. To this day, I'm not sure if it's true.— Schmoopy