I used to think that the song Manic Monday was really "A Man named Monday." The whole song didn't make much sense, as far as i know, so I think it fits quite nicely.
A childhood belief about misheard lyrics

others believed things like this
- When I first heard Bruce Springsteen's song, "Born in the USA," I thought that the song was "Porn in the USA"Anon
- i thaught the michael jackson song billy jean song said Janet's not my son Anon
- in the song "show me heaven" i used to sing "make me breakfast" instead of "leave me breathless"Anon
- I used to believe the the Elton John song, "Crocodile Rock" was about a Crocodile, named Rock.Anon
- I always hear Manic Street Preachers 'You Love Us' as 'You Love Arse'.— Lou
- Phil Collins song "I missed again" - I thought it was "I pis*ed again" - didn't realise he was an alcoholic?!Anon