i used to belive in a song by M2M where it goes "...grass is greener on the other side.." i thought it was wrap his wiener on the other side...:D
A childhood belief about misheard lyrics

others believed things like this
- I used to believe that if I chewed on one side of my mouth too much the other side would get jealous.Anon
- i used to believe that everyone had a twin on the other side of the world.— tahnee
- I used 2 think that the scar on my side said "UNUSEABLE" LOL!!!!!!— John In Pennsylvania
- Until I was 23 I used to think the ginger put with sushi was a side of ham.— maari
- I used to believe that if I scratched one side of my body I had to
scratch the other to be "even".— Greg - I used to believe that if I closed one eye, the people on that side couldn't see me.— KM