I thought that the song "Wishful Thinking" by Go West (?) went "I'm the king, I wish for Vicky" .. I used to think that Vicky was a lucky girl, getting wishes from the King. Then I realised he was actually singing "I'm the King of Wishful Thinking". Yeah, clever, aren't I?
A childhood belief about misheard lyrics

others believed things like this
- when i was a kid, i used to believe i was actually a king who was in a coma dreaming about being a kid.— r
- i used to believe that god was the king in sleping beuty — stupid:D
- I used to believe that if you kiss a frog then the would would really turn into a king.— jing
- when ever i ate broccoli i thaught the monkey from Lion King was in there— Simon
- I used to believe Martin Luther King chose your birthday.Anon
- I used to think Elvis' "I'm All Shook Up" was "A Mushy Cup". How sad of me to confuse the lyrics of a king...— Sad, Sad, Girl