Knocked the socks off (5)
I believe the answer is:
wowed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">knocked the socks off</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for wowed that I've seen before include "Amazed (slang)" , "excited" , "Bowled over" , "Thrilled" .)