On pins and needles
I believe the answer is:
edgy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">on pins and needles</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 edgy that I've seen before include "Extremely" , "In a tense state" , "Sharp in outline" , "Jittery" , "Red shade" .)