I. interjection Date: 1566 tut , II. intransitive verb (~ted; ~ting) Date: 1873 to express disapproval or disbelief by or as if by uttering tut
TUT-TUT
Meaning of TUT-TUT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012