Verbal dig (4)
I believe the answer is:
slur
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">verbal dig</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for slur that I've seen before include "Speak indistinctly, as a drunk might" , "Innuendo" , "Speak as drunk perhaps" , "Negative comment" , "Insinuation; indistinct utterance" .)