Wet earth (3)
I believe the answer is:
mud
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wet earth</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 mud that I've seen before include "Soft sticky earth" , "Alluvial deposit as in river bed" , "in your eye, it's an affable toast" , "In your eye, this is an informal toast" , "Clay" .)