i used to believe that our buttocks are hollow and that all our internal organs i.e are stomach, liver, kidneys, lungs etc are placed there...now as a biology postgraduate i know better!!
A childhood belief about general

others believed things like this
- I used to beleive that liver (as in liver and onions and gravy) was rhinocerous meat.Anon
- i used to think that they killed people and took out their liver to make liver!— Sarah
- Would you believe liver, tea, and justice for all? Tea I could take, but liver? Ewg!— Texas granny
- | believed that liver and brussel sprouts were evil.
I'm OK with liver now, but brussel sprouts...— James - 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