Syllable of disapproval (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">syllable of disapproval</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tut that I've seen before include "Express disapproval" , "Disapproving comment" , "Annoyed exclamation" , "in short I don't like that!" , "Sound of mild disapproval" .)