I used to believe that whenever someone hic-uped their bones were growing. Hence the little jumps meant your bones were pushing each other away to make room for more bone!
A childhood belief about general

others believed things like this
- Broken bones meant that your arm or leg was separated from your body.— Kelly Hanson
- i used to believe that a sign in a cafe bone-fide meal meant meat with a bone in it— roy
- When I was about 4 or 5, I used to believe that instead of bones, we had metal pipes. — TL
- I used to believe that the chunks in chunky peanutbutter were actually bonesAnon
- I used to be believe that white sugar was made from ground up bones— shedrez
- My Mum told me that if you swallowed chewing gum, your bones would stick together inside you.— Pauliboy