I used to believe that "elbow grease" was a tough kind of grease that you smeared on your elbow to get tough stains out.
A childhood belief about around the house

others believed things like this
- I always thought that "elbow grease" was a type of lubricant until about 2 years ago. I'm 19.— Erika
- I used to think that "elbow grease" was an actual product of kitchen or surface cleaner.— Carrie
- I called every body part my elbow. For example if my leg hurt I would say my elbow hurt.— Kady
- When i was 5, i thought that you could lick your elbow....Anon
- I used to call the shoulder of the road, the elbow.Anon
- I use to believe that kissing your elbow would make you change your sex when you woke up the next day.— Chuck