in grade school, i used to believe that test tube was a naughty word and was embarassed to say it.
A childhood belief about swearing

others believed things like this
- I once asked a friend if test-tube babies had bellybuttons or not.
I was eighteen years old.Anon - I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- I used to believe that if you were naughty at school then you'd have to go upstairs and sit on your bed!— Eve
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny
- A[n] nth grade teacher only had to finish the nth grade when he or she was in school.— MD Caruso
- Up until 8th grade or so, I was convinced that I invented the word "Fart"— Jonah