When I was a kid I was completely convinced that Sade's "Smooth operator" was "Ooh of the red eye".
A childhood belief about misheard lyrics

others believed things like this
- I used to think that in the song "Smooth Operator" they were saying "Schooooooool's not forever!"— Steph
- I believed you ran the vacuum to cut the carpet and used the lawn mower to smooth out the grass.— Michelle
- I used to believe that if you broke your arm (or whatever) it came completely off.— Jill
- a friend was convinced that his school was an asylum, and couldn't be convinced otherwiseAnon
- I used to believe nun's shaved their heads and were completely bald.— Mark
- I used to believe that our insides were made completely out of tuna— molly n