Expression of indifference (5)
I believe the answer is:
shrug
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">expression of indifference</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for shrug that I've seen before include "Show no interest" , "Gesture of resignation" , "So-what gesture" , "Gesture with one's shoulders" , "Expressive shoulder movement" .)