tutster

noun

1. One who tuts (makes a tut sound in disapproval).

   “He was […] a lean, grey badger of a man, business-like and keen-eyed, the direct opposite of the "tutster" who had annoyed Parker the evening before.”

   “"My dear boy!" A tutster. This sort of elderly practitioner who talks about tummy is still a familiar figure in the countryside. Says little prick for a local anaesthetic.”