I used to believe that if you flush the toilet on an airplane, all the pee and poop got dumped into the sky and then in someone's backyard.
A childhood belief about aeroplanes

others believed things like this
- the poopy man. he would pick your poop up when you flush— annie
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- I used to beleve when i was 4 that the flush on the toilet was to wake up toilet monsters.— Millie
- i used to belive that when you flush a toilet on an aeroplane you get sucked down— milly
- My brother (who was 6 at the time) would never flush the toilet in fear of our new house being blown up! Anon
- I used to belive that when I would poop I was feeding all the fishies that got flushed downthe toilet!— Fish Feeder