My Dad used to always tell me the if I put rocks in the grass, the rock monster would come get me, really he just wanted to mow the lawn without the fear of knocking someone out...
A childhood belief about monsters

others believed things like this
- I believed you ran the vacuum to cut the carpet and used the lawn mower to smooth out the grass.— Michelle
- My friends and I used to believe that if you planted a rock, it would grow a rock tree. Anon
- I used to believe the the Elton John song, "Crocodile Rock" was about a Crocodile, named Rock.Anon
- I thought the lyrics to "Don't fear the reaper" were "Don't fear the reefer"— who new?
- I used to believe that, in cities, if you dug deep enough in anyone's lawn, eventually you'd hit the concrete.— Kevin Fox
- i usd to believe that if i put a balloon on a lawn chair that i could float up in the sky and around the worldAnon