Hard to move; drunk (5)
I believe the answer is:
tight
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">hard to move</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">drunk</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(slang term)</span><br/ ><br/ ></span>
(Other definitions for tight that I've seen before include "It's not enough" , "Secretive, drunk (colloq.)" , "Miserly (informal) - drunk (informal)" , "Stretched" , "affected by powerful liquid?" .)