Panicked rush (8)
I believe the answer is:
stampede
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">panicked rush</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for stampede that I've seen before include "Run in panic" , "Headlong rush of animals" , "Sudden mass rush" , "Uncontrolled rush" , "Sudden dash of a group of startled animals" .)