Fall awkwardly (6)
I believe the answer is:
tumble
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fall awkwardly</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 tumble that I've seen before include "Fall awkwardly" , "Roll over and over like acrobat or pigeon" , "An acrobatic feat of rolling or turning end over end" , "Suddenly fall" , "Fall clumsily" .)