Very fat (5)
I believe the answer is:
obese
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very fat</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 obese that I've seen before include "Extremely overweight" , "Unhealthily fat and overweight" , "Unusually fat" , "carrying remarkable weight" , "Excessively fat" .)