Referring to how mean his cousin was, my Dad used to say "she'd skin a flea for its hide". My Mum used to say "I'm not as green as I'm cabbage looking". In a similar vein, when I lived in Glasgow in the 1970s/80s I heard people say "I didnae come up the Clyde in a wheelbarrow".
Mum was full of sayings (many of them definitely not PC nowadays) - "as black as the ace of spades", "a few sandwiches short of a picnic". When she was astounded by something she'd heard she used to say "well I go to the foot of our stairs". If the rain eased off and there was a bit of blue in the sky she'd say that if there was enough blue to make a pair of Dutchman's trousers it would stay dry. On the other hand, if it was " bit black over Bill's mother's" then rain was on its way. As well as her colourful ayings Mum had a large lexicon of superstitions, many of which haunt me to this day.