My grandmother used to tell me that if i wouldn't behave,she would flush me down the comode to deal with the potty monster.
A childhood belief about fear of

others believed things like this
- After being told by my parents or relatives to "behave," I would usually reply: "I am being have."— Ed
- I thought Jesus was made up to make kids behave.Anon
- I thought the boogey monster was a monster that ate boogers at night in front of youAnon
- I Used To Believe The Monster Beverage/Energy Drink Was Monster Milk!— KellGirl
- I used to think people had a "potty mouth" if they had been drinking out of the toilet.Anon
- I always thought 'virgin' was Marys star sign and could never work out why it was such a big dealAnon