Brashly presumptuous (5)
I believe the answer is:
pushy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brashly presumptuous</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 pushy that I've seen before include "Overly assertive" , "Informally aggressive, not patient" , "Excessively self-assertive" , "Self-assertive, forceful" , "Socially aggressive" .)