Gangster, thug (7)
I believe the answer is:
hoodlum
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">gangster</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">thug</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for hoodlum that I've seen before include "Petty ruffian" , "Rowdy" , "Young thug or criminal" , "tough!" , "Hooligan" .)