As a child I was told that Elvis was "sexy" and he was only shown on TV from the waist up...I therefore thought sex was when a man moved in little circles only.
A childhood belief about sex

others believed things like this
- I always thought Hot Chocolate were singing 'You Sexy PIG' instead of 'You sexy Thing.— Bilz
- I used to think Right Said Fred sung 'I'm too sexy for my lamb' instead of 'I'm too sexy for Milan'.— Nineties music was great
- When a grown-up is shown as a child, it was actually them, and the film took 20+ years to produceAnon
- I thought Elvis Prestley's name was "Elbow Prestley" when I was a child.— CC
- When I asked my mother how Elvis died, she told me that he ate too much candy. — Katie B
- I thought the white circles you see when looking at a bright window were what atoms of air look like.— H.