I used to believe when you went to the bathroom in a plane it would drop out the bottom and land on the ground. I also believed that was what the sucking sound was when you flushed it.
A childhood belief about general

others believed things like this
- I used to believe that when you flushed an aeroplane toilet the waste would just drop out of the plane.Anon
- I used to believe that when you flushed on an airplane, it would land on the people below.Anon
- I used to think that the sound after the toilet was flushed was ladies singingAnon
- I used to think that when sombady when to the bathroom in the plane it would go strait out and fall on sombody— Tony Magana
- i used to believe "eaves drop" was actually "ears drop"— sophie
- I used to think that
"The land of make believe"
was
"The land of baked beans."— Baked Bean!