A friend of mine used to sing "Maxwell Jump"....instead of "ah, might as well jump" for the Van Halen song-Jump on their 1984 album.
A childhood belief about misheard lyrics

others believed things like this
- I ues to believe that if I broke th TV the people would jump out and try to catch me.— Lazyj (K)
- I used to believe that if you jump in a toilet, they lead you to another dimension.— beep.
- -nursery rhymes-
i used to believe that cows could jump over the moon when I was a kid.— Aloysius - I used to believe that if you stepped on the cracks of the pavement, a bear would jump up and eat you.— Nina
- When I was little my dad told me that monsters jump out from spotlights and I belived it...— Cassie
- I used to believe that serial killers would jump out of cereal boxes and kill me...— Amanda