i used to think a dildo was a method of birth control. a woman would put the dildo, a patch of rubber, over her vaginal opening, and it would stretch as the man ... went inside
A childhood belief about condoms

others believed things like this
- "dildo is an extinct bird"
my 18 year old friend fell for that.— pebblezzz - i used to believe a dildo was a thing that people sewed on when their thingy fell off.Anon
- I used to think birth control was where you could choose the sex of your child.Anon
- I used to believe that birth control was for deciding to have either a boy or girl babies. Anon
- i used to think that birth control pills should be inserted vaginally. Anon
- I used to believe that your brain was a red rubber ball inside your head.— Greg