My mother used to call "periods" "imperial." As a kid, whenever I saw the TV commercial on Imperial Magargine -- yeew, you got the picture.
A childhood belief about periods

others believed things like this
- My mother used to call my behind "a paw paw" and for many years I refused to eat paw paws (papayas)— Garth
- I used to think that guys had periods, too. — Laurie
- I also used to think that Mommies didn't have periods. I thought it went away once you had a baby.— T
- i thought the phrase "getting a boner" referred to men getting their periods. — astrid
- i used to believe that women wore bras because their periods happened in their boobies.Anon
- i used to believe when iwas young that during periods, one bleeds through thier breastsAnon