Fierce verbal attack (9)
I believe the answer is:
broadside
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fierce verbal attack</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for broadside that I've seen before include "Stick" , "A strong attack in words - or by old ship" , "Strong verbal attack on sideboard" , "barrage" , "Strongly critical verbal attack" .)