Lumber along (4)
I believe the answer is:
plod
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lumber along</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for plod that I've seen before include "coppers?" , "Copper" , "Make slow progress" , "Walk with effort" , "Trudge wearily" .)