When I was a child I asked my mum why poo and wee were called poo and wee. She said that they weren't the actual names, they were just what my brother and I called them. I took this to me that we had invented the words ourselves and they had spread to worldwide usage. I was very proud of us!
A childhood belief about weeing and pooing

others believed things like this
- I used to think the ottoman was called the "autumin" because it was invented in autumn. I Anon
- I used to think that adult kangaroos were called Kangas and that child kangaroos were called Roos. Anon
- I used to believe that there was an actual show, listed in the various guides, called "To Be Announced."— Donna
- i thought that new disney peter pan song said "spread your legs" but its really "spread your wings"— shasta
- When I was very young, I believed that my parents actual names were "mum" and "dad". — Margo
- When i was in kindergarten, i used to think that i invented the words million and billion— Comonsnadama