I used to think that adult kangaroos were called Kangas and that child kangaroos were called Roos.
A childhood belief about general

others believed things like this
- i thought kangaroos were giant rabbitsAnon
- i used to think that the road sign "dangerous" was actually "dang-er-roos" a kind of bouncy marsupial— owen cash
- I believed that the breed of dog called Boxer was called that because they could stand up and box.Anon
- I used to believe that people from Holland were called "Hollish", like people from Poland are called "Polish"— Sally
- When I was a child, I thought that grown-ups were adult.— Gloria
- I used to think that because there was a state called Washington, there was also a state called Dryington.— Jasonchic