Mangy mutt (3)
I believe the answer is:
cur
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mangy mutt</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 cur that I've seen before include "Vicious dog" , "Mangy dog" , "Useless dog" , "A low worthless dog" , "Mongrel - cowardly person" .)