Impudent or cheeky (4)
I believe the answer is:
pert
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">impudent</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">cheeky</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(pert can mean cheeky or insolent)</span><br/ ><br/ ></span>
(Other definitions for pert that I've seen before include "Slightly insolent" , "Impudent, cheeky" , "Persian expert" , "Saucy, maybe brash" , "Irreverent or saucy" .)