Mascara mishap (5)
I believe the answer is:
smear
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mascara mishap</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 smear that I've seen before include "Badmouth" , "Dirty mark; aspersion" , "Slander - tissue sample used for testing" , "nasty mark" , "False report" .)