'I/He/She has got more...than soft mick', comes from? And if they know people who still use it. Ive started saying it lots and got loads of people to too. Its a great saying.
I've searched the net..... quite deeply and there are no definite answers anywhere I can find. The best one I have seen is he was a scavanger (sp?) during WW2 and could lay his hands on almost anything.