I would not swim near a pool drain. If I did a shark would burst through the drain and eat me. Didn't matter if it was a big drain with a grate over it or a tub sized drain.
A childhood belief about swimming pools

others believed things like this
- I used to believe that once you pulled the plug in the bath a shark would swim out of the drain and eat you.— Amy
- 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
- i thought that when you were in the bath you would get sucked down the drain— blake
- in this TV show i saw a snake coming up from the drain so everytime i take a shower i go really fast!— scared person
- I used to think that trolls lived in my shower drain and showered with my dirty water— Troll bather