Noisy disagreement (11)
I believe the answer is:
altercation
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">noisy disagreement</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 altercation that I've seen before include "Spat" , "Noisy disagreement" , "heated argument" , "Rattle a coin (anag) - row" , "Noisy quarrel" .)