Chuck alternative (4)
I believe the answer is:
chas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chuck alternative</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 chas that I've seen before include "man's name" , "Drinks" .)