Rustle (5)
I believe the answer is:
swish
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rustle</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 swish that I've seen before include "Stylish (sl.)" , "Smart, fashionable" , "Sound of cane" , "Impressively fashionable" , "Impressively smart" .)