I used to believe that a cat burglar was a hamburger made out of cat meat. When I learned what a burglar was, I thought it meant someone who stole cats.
A childhood belief about cats and dogs

others believed things like this
- At the age of about 5, I thought that any man carrying a bag/sack over his shoulder was a burglar.— Police officer, Ola.
- I once believed that if you touched hamburger meat, it would explode!— Dipaloe
- From the ages of 4-10 (I'm 10) I thought a "Cat Burgler" was a person who stole cats.— MarkoPolo5000
- I used to beleieve (when VERY young; 12 actually!) that cat burglars stole cats!— Woody
- I liked cats so much I wanted to be a Vet when I grew up, but, I thought they couldn't eat meat.
— Tanya - When I was six my sister told me Meat Pies were made from mashed up rats...to this day I can't eat a Meat Pie.— Jamie