Bad swing (5)
I believe the answer is:
slice
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bad swing</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 slice that I've seen before include "Cut into portions" , "Wedge" , "Serving cut from a larger portion" , "shot in golf that goes astray" , "Portion of pizza" .)