I used to think condoms were what males wore to keep their "privates" warm during winter.
A childhood belief about condoms

others believed things like this
- I used to believe evrybody's privates were diffrent-- thus the name "privates"Anon
- I used to believe that when winter came and it snowed the grass just died or went away for the winter.— Chris
- I used to belief that the Muslim women who wore their garment wore it because they were bald.Anon
- i used to believe that males' poo came out of their willies— Helen W
- I used to believe that womens genitalia was an inverted males 1— St3,
- I thought that all cats were the females, and that the dogs were the males.— opps guess not