I used to think the wombles song "Wombles of Wimbledon Common are we" referred to their social positioning, as in they weren't posh. Actually I didn't put 2 and 2 together until I moved to London and visited Wimbledon Common.
A childhood belief about tv shows

others believed things like this
- "The wombles of Wimbledon Common are we" meant that there were loads of them...— Mike
- I used to believe there were loads of Wombles, until about a minute ago...— Nat
- It was common "knowledge" where I lived that if you picked dandelions then you would wet the bed.— Holly
- A common misheard lyric in BMTH’s ‘Shadow Moses’ is “THIS IS SANDPIT TURTLE!”— Oli
- My mum told my older brother that dogs weren't allowed in London.— Fiz
- I thought common as muck was a substance called commoners muck— oddsox