Rubbish, balderdash (5)
I believe the answer is:
tripe
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">rubbish</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(both can mean nonsense)</span><br/ ><br/ >'<span class="explanation-format__original">balderdash</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for tripe that I've seen before include "poor stuff" , "Rot" , "Pants" , "Edible entrails" , "Rubbish (edible, maybe)" .)