TriciaK, Try googling Blyth Home Guard, you might get a result there.
And old sayings, yes, - skinchies, with fingers crossed of course. Also - Yi'll get wrang, i.e. you will be told off.
There was also a song we used to sing when young, many, many years ago. " I wish I was a Polis, A big fat Polis. I'd stand aroond the corner and catch Jackie Horner."