Clatter (6)
I believe the answer is:
rattle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clatter</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rattle that I've seen before include "rabbit" , "Noisy device < to throw" , "making one upset" , "Baby's toy - racket - disconcert" , "Disconcert - English conductor, b. 1955" .)