Useless; pudding (4)
I believe the answer is:
duff
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">useless</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">pudding</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that Duff is a type of pudding)</span><br/ ><br/ ></span>
(Other definitions for duff that I've seen before include "Worthless; pudding" , "False; steamed pudding" , "Faulty (slang); a pudding" , "Steamed pudding - 2" , "Heavy pudding - no good" .)