I’ve never found being called a yank offensive. I think some people look for reasons to be offended. The rest of us could care less. Do Brits think they are insulting us when they call us yanks?
USA and UK, with the commonwealth, Australia, NZ, aka the old ex British Empire that is the commonwealth. What country would not want to join that union... Like, come on lads, lets do this, biggest roughest bad ass gang going on the world stage, no one would give us a shit even vs Russia. We own the battlefield. If I was her champ I'd.... sorry my Queen.
Yah piddling sounds better, Faffing sounds like something you might need lotion and a Victoria's Secret catalog for.
Those of us from Australia would say the word farting instead of piddling. But at least we know what you mean. Mucking around.
Most of the sayings involve slang. Slang is taking the mickey out of different words. If an aussie asks you for tomato sauce you might get something like "i'd like some dead horse please."