I used to believe that if you had a period then you had an awful internal disease, and would have to be rushed to hospital where a nurse would put a thing called a pad up your butt and a pamton in your knickers. I know better now and don't get the names mixed up anymore.
A childhood belief about periods

others believed things like this
- I used to think that Alzheimers disease was called Old Timers Disease.— Justin
- I used to believe that all old people got the disease "OLD TIMERS DISEASE" Instead of alzheimers disease :D— MollyJohnson
- When I was 10, I thought that nausea was called Lack-O-Candy Disease. My mom made it up— Teddybearhaha
- That Alzheimer's Disease was Old Timer's Disease.— Todd K
- i used to believe if you touched a girls knickers she would get pregnant Anon
- The song called heart of glass mixed me up as a kid. I heard "Heart and ass". — oops