Cute as cut-de-bags
Heard in Waterford
Someone who is exceptionally intelligent in a wiley sort of way. Waterford alternative to as cut as a fox.
See yer man over there, he's as cute as cut-de-bags so he is... you wouldn't get one over on him I tells ya!
Observe that fellow over there, for he is as sharp as a fox and quite impossible to outwit.