I used to believe that shagging was a couple rubbing their pubic hair together. Carpets must have played a part in that thought.
A childhood belief about sex

others believed things like this
- I used to think pubic hair was really called 'public hair' until I was about 15— Spe
- I used to believe airplanes were powered by magic carpets.— Anonymous
- i used to think that babies were made by rubbing your bellybuttons togetherAnon
- that the word "couple" as in "a couple of items" was synonymous with "several", rather than "just two".— Blair A. Petterson
- When I was little I thought that dying your hair means you kill your hair.Anon
- I used to believe that molasses were made by grasshoppers rubbing their back legs together.— Valerey Lavergne