Humorous banter (8)
I believe the answer is:
badinage
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">humorous banter</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 badinage that I've seen before include "Raillery, give-and-take" , "Ribbing" , "Good-humoured banter (8)" , "Chaff" , "Frivolous backchat" .)