t, u are letters that make 'tut-tut'
ut, tut, UT are words within 'tut-tut'
1 possible definitions for 'tut-tut'
Under this definition, tut-tut is a verb and has the following properties:
tsk, tut have the same meaning as 'tut-tut'
'tut-tut' can be a type of utter, emit, let out, let loose.