I used to beleive that a catacism(spelling?) was an extremely painful Christian version of a bris.
A childhood belief about church

others believed things like this
- I used to wonder why so many cops in movies were called "Lieutenant" as a christian name.— chris
- I used to believe that Marilyn Manson was a extremely scary woman!— Tim_NOrway
- I believed I was a vampyre because my canine teeth were EXTREMELY pointy— Kira Pangburn
- I used to believe 'three bean salad' was an extremely small entree because it contained only three beans.— queeneve
- I used to believe that in the Christian Prayer of the Faithful, we were responding, "Lord, harrow prayer."— Smelleanor
- i used to believe a dog was the male version of a cat.Anon