Mocked, barracked (6)
I believe the answer is:
jeered
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">mocked</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">barracked</span>' is the second definition.<br/ ><span class="explanation-format__explanation">('jeer' can be a synonym of 'barrack')</span><br/ ><br/ ></span>
(Other definitions for jeered that I've seen before include "Mocked, derided" , "Ridiculed, scorned" , "Did deride" , "Ridiculed, sneered" , "Laughed with derision" .)