Run naked in public (6)
I believe the answer is:
streak
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">run naked in public</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 streak that I've seen before include "Part of Ukraine" , "Naked public appearance" , "Stripe in the hair, say" , "Run naughtily naked" , "Irregular mark - run naked" .)