A friend in high school used to think the Top Gun song by Kenny Loggins was "Highway to the Danger Shower" - really.
A childhood belief about misheard lyrics

others believed things like this
- when the sign on the highway said do not pass and dad did i thought he would be in great dangerAnon
- I used to believe that you got married right after you finished high school or college. Anon
- I used to believe that take a shower meant to go steal a shower from the storeAnon
- I thought that wars had to last four years... just like high school and college.— A. Falk
- When I was young, I honestly believed that I would die before I reached high school. Anon
- Until I was in High School, I really thought that the "underground railroad" was under the ground.— S