Rude one (4)
I believe the answer is:
boor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rude one</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 boor that I've seen before include "Crude uncouth person" , "Rude, uncultured type" , "Rude, uncultivated person" , "oaf" , "Barbarian" .)