Or, for that matter, speaking English fluently and not being from whatever part of the US it is that that idiom is specific to.

Imagine learning English in a country without that idiom, and reading it. Not to mention "knock down ginger"!

My wife and I grew up about 10 miles apart. She knew those phrases, I didn't. Why? She lived in a town, I lived in the country. Playing that game where I grew up would have been pretty unproductive. Walk a mile>Open gate>dog barks as you walk up drive>farmer comes out and recognises you>says Hello x...

Yeah, knock down ginger was the one I went "wtf?" on, for sure.

"Please to not be ditching your ding dong in front of peoples houses"