Attack savagely (4)
I believe the answer is:
maul
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">attack savagely</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 maul that I've seen before include "Wound by scratching and tearing - rugby move" , "Manhandle" , "Attack savagely" , "Tear at a person or animal" , "A loose scrum in rugby" .)