I.
variant of tut
II. ˈtətˈtət intransitive verb
( tut-tutted ; tut-tutted ; tut-tutting ; tut-tutts )
Etymology: tut-tut , interjection
: to express disapproval or disbelief by or as if by uttering tut
busy tut-tutting about how unfair and unequal society had become — L.B.Lindsey