i used to believe that the gurgling sound when the bathtub is draining was the "Gurgle Monster" and that it would eat me if it came out of the drain.
A childhood belief about bathrooms

others believed things like this
- 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 believe that if I fell asleep in the bathtub I would wake up in the sea.— Brenda
- That there was a zombie living behind the bathtub in the upstairs bathroom.Anon
- how many us believed you would go down the drain with the bath water? I did!— Amy
- I used to think a drain pipe in my backyard led to another world.Anon