I used to believe that thunder was Santa making toys.
A childhood belief about father christmas

others believed things like this
- I thought Santa was going to be sent to jail for stealing gifts from Toys R Us.— Sandy
- I used to believe toys came alive at night.
Because I love toys, and I hoped be good friend with my toys.Anon - I used to think that a company had boats all over the world making waves, and airplanes making cloudsAnon
- I used to believe that Santa Ana winds actually came from the city of Santa Ana, CA— Fishfood
- My mum used to tell me that thunder was god re-arranging the furniture.— Dale
- When I was a kid, I used to believe that it would thunder when G-D was moving furniture in the sky.Anon