Beside oneself (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">beside oneself</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for frantic that I've seen before include "At the end of one's tether" , "Mad" , "'Unrestrained, overly agitated (7)'" , "Distraught with fear" , "Excessively agitated" .)
(Other definitions for excited that I've seen before include "in high spirits" , "Aroused, enthused" , "in agitated state" , "Hot" , "Feeling a pleasant tension" .)
(Other definitions for fuming that I've seen before include "Showing anger, really hot" , "Smoking with rage" , "getting cross" , "Smoking (with anger?)" , "Livid" .)