Charlies dead would also baffle most of them.
I haven't heard that for about 40 years. We used to say it at school if more than a bit of lace was showing under our uniform skirts, we mostly wore pencil skirts and the fashion was for the lace trim from your underskirt to show at the top of the split.
Other ones frequently used by mom and nan when I was growing up:-
You'll laugh the other side of your face
Bostin but I'm not sure if that would be classed as Black Country
Fizzog
Canting, I don't know how you two find so much to cant about
Ay it, think that one is more Black Country
Gambol
Scrage, put that on a tweet a few weeks ago, and had a reply, you're from Brum!
Cack handed - awkward
Caggy handed - left handed
Bonk - bank.
Blarting - crying
When you asked where mom had been - there and back to see how far it is
When you asked what was for tea - s**t with egg on it
Nico, I recognised so many of your Black Country nan's sayings and could almost hear my nan saying them, thank you, it brought back some lovely memories.