For quite a few years after I was potty-trained, I used to belive that if you were sitting on the toilet when you flushed, it would suck you back in time. So when I watched movies about time machines, I was surprised that they never mentioned anything about a toilet.
A childhood belief about fear of

others believed things like this
- I used to believe that the toilet would suck me down if I flushed it.— :-)
- i use to believe that if i flushed the toilet when i was still on it would suck me down to who knows whereAnon
- I used to belive that when I would poop I was feeding all the fishies that got flushed downthe toilet!— Fish Feeder
- 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 believe that if I flushed the toilet before I showered, I would take a shower in dirty toilet water.— Chris D
- I used to think if I left the toilet seat open my cat would get flushed down the toilet.— G