Swiftian brute (5)
I believe the answer is:
yahoo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swiftian brute</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for yahoo that I've seen before include "expression of delight" , "Uncouth person" , "Boorish lout (after Swift)" , "Gulliver's animal in human form" , "Boorish louts" .)