Clever comeback (7)
I believe the answer is:
riposte
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clever comeback</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for riposte that I've seen before include "Quick sharp reply" , "Sally" , "Quick and witty reply" , "Snappy comeback" , "Smart reply" .)