Loopy (7)
I believe the answer is:
bonkers
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loopy</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that loopy can be written as bonkers)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bonkers that I've seen before include "Slang for crazy, off the wall" , "Cuckoo" , "Lovers" , "Quite mad" , "Completely mad" .)