i used to think that when i got a hard-on it meant i had to pee.
A childhood belief about rude bits

others believed things like this
- i used to believe that sex meant love and that having sex meant the two people would live happily ever after.— amy
- I used to believe if you fart hard enough you can fly— Bob
- i used to think that i would become a fairy if i just wished hard enough!!!LOLAnon
- I used to think croutons were hard chicken. Anon
- I used to believe that if I threw up too hard my brain would explode.— Tammy
- that if I flapped my arms hard enough, I could get airborne.— DeQuendre