Clever Dick? (6-5)
I believe the answer is:
smarty-pants
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clever dick?</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 smarty-pants that I've seen before include "Clever dick" , "Wise guy" , "Clever clogs" .)