Spring back after impact (6)
I believe the answer is:
bounce
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spring back after impact</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 bounce that I've seen before include "Reflect back from a surface" , "Spring back after impact" , "Of a cheque, send back as worthless" , "Exuberance; rebound" , "Rebound (like a cheque)" .)