I used to believe that the song "Manic Monday" by the bangles went....
"Just another Man Named Monday"
instead of...
"Just another manic monday"
A childhood belief about misheard lyrics

others believed things like this
- I always hear Manic Street Preachers 'You Love Us' as 'You Love Arse'.— Lou
- when i was growing up i had two imaginary friends. One was named Jennifer, the other was named Onion.— Tessica
- I used to believe there was a Russian Leader named Garbage Trough and an Arabian named Are A FatAnon
- The boy in my class named "Sahand" must have a sister named "Safoot".Anon
- I used to believe the the Elton John song, "Crocodile Rock" was about a Crocodile, named Rock.Anon
- When I first heard Bruce Springsteen's song, "Born in the USA," I thought that the song was "Porn in the USA"Anon