Witty conversation or banter (8)
I believe the answer is:
repartee
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">witty conversation</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">banter</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(both can mean jocular conversation)</span><br/ ><br/ ></span>
(Other definitions for repartee that I've seen before include "Comic dialogue" , "Series of clever replies" , "Ready and witty retort" , "Lively exchange" , "Witty comments" .)