Short witty remark (7)
I believe the answer is:
epigram
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">short witty remark</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 epigram that I've seen before include "short satirical poem" , "Concise witty remark" , "Quip, witty saying" , "A short witty saying" , "Short witty remark" .)