I used to believe as a kid that cockroaches used to come up out of the hole in the bath and if you didn't get out in time, they'd come up and run all over you.
A childhood belief about bathrooms

others believed things like this
- I used to think that cockroaches would visit your house if you didn't brush your teeth.Anon
- I used to think that when I was in the bath I shark lived under the bath and that ig might come up and bite me— ------------
- I used to think that if you take the plug out of the bath it will suck you into the bath— awesome kid
- My uncle told me that if I didn't wash my ears when I took a bath, corn would start going out of them.— Ebod
- I used to believe that if you dig a hole in the ground and put pepper in the hole, the ground would sneeze.— Cookie
- I used to believe that a monster would crawl out of the bath tub and eat me— Alex