Tug hard (4)
I believe the answer is:
yank
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tug hard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for yank that I've seen before include "American - jerk" , "one across pond" , "American native" , "pluck" , "Pull violently - American" .)