Abusive harangue (8)
I believe the answer is:
diatribe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abusive harangue</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 diatribe that I've seen before include "Vehement criticism" , "slating" , "Long speech" , "'Abusive, bitter speech (8)'" , "Strong words" .)