I used to think that:
1) 'Louie Louie, oh no' was 'Do I? Do I? Oh no...'
and that:
2) 'On through the dead of night, with the four horsemen ride, or choose your fate and die' was 'On through the dead of night, we're the four horsemen right, so lose your faith and die!'
A childhood belief about misheard lyrics

others believed things like this
- I used to believe that I couldn't pass by the cemetery at night because the dead people would wake up.— Marcos Carvalho
- I used to believe that a street sign that read "Dead End" meant that there were dead people buried there.Anon
- I used to believe that if you went over a dead end, you would die. — CoyoteBitch
- I used to think dead people are dangerous. — J.G.
- I used to believe the dead flew up to heaven.— Pierre, a French student in eighth grade
- I used to think that if you walked down a dead end street you would die.— holly