I used to believe that the "boogyman" was short for "booger monster". I had nightmared of a giant booger monster for a year.
A childhood belief about monsters

others believed things like this
- i used to believe it was okay to have a booger collection. my mom did not agree— Michelle
- I used to think there were little booger factories in your nose that made boogers.— Melith
- I used to believe that if I ate my boogers a booger tree would grow out of my head!— Kimmy G
- I used to believe that the "booger man" was a tall skinny guy that was covered in boogersAnon
- Boogers came from magical booger fairies that mined them over night and put them in your nose in the morning.— Vivian
- I thought the boogey monster was a monster that ate boogers at night in front of youAnon