Angry harangue (6)
I believe the answer is:
tirade
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">angry harangue</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 tirade that I've seen before include "A prolonged rant or harangue" , "A prolonged outburst of abuse" , "Prolonged abusive speech" , "Loud harangue" , "Long speech of angry criticism" .)