Cheeky, impertinent (8)
I believe the answer is:
impudent
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cheeky</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">impertinent</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that impertinent can be written as impudent)</span><br/ ><br/ ></span>
(Other definitions for impudent that I've seen before include "Saucy" , "Impertinent, insolent" , "impolite" , "Lippy" , "Rude" .)