Sudden abrupt pull (3)
I believe the answer is:
tug
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sudden abrupt pull</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 tug that I've seen before include "Pull vigorously at or tow" , "water tower" , "Pull sharply" , "Pull like small boat" , "A sharp pull or a towing boat" .)