Frat dudes (4)
I believe the answer is:
bros
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frat dudes</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 bros that I've seen before include "Moss before this makes a gentlemen's outfitter" , "The Moss brothers" .)