It would be brilliant to assemble a collection of sayings, I'm sure your right about wat has dissapeared over the years, they need preserving.
I still use the expression, "having a piece" Or "get a piece, out of the bag" when supporting people to cook at work, I get puzzled looks from service users and other staff. For the very young it was a "Piecy" and referred to a slice of crust buttered and dipped in sugar.....UGHHHH :shock: