Waste metal (5)
I believe the answer is:
scrap
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">waste metal</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 scrap that I've seen before include "Scuffle" , "Waste metal or slang fight" , "Dispense with - waste material" , "Junk; altercation" , "Axe" .)