In 2nd grade, I didn't know what jerk off meant. I thought it was a worse term for jerk, but not a curse word, so I could use it. So I would run around the schoolyard calling people jerk offs and having no clue what it really meant...
A childhood belief about swearing

others believed things like this
- i used to think that the word "stupid" was a curse word, ranging in scale right beside the "f" word.Anon
- I used to believe that the term "being mugged" meant someone beat someone else with a coffee mug.— Matt Thiel
- I thought "sake" was a curse word— shh
- i used to believe that sex meant love and that having sex meant the two people would live happily ever after.— amy
- I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- When I was in sixth grade I thought that "oral" sex meant talking about sex.— Duh