Shapeless lump (6)
I believe the answer is:
dollop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">shapeless lump</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dollop that I've seen before include "Large piece" , "Small measure, of mash say" , "Small shapeless mass" , "Small mass of eg cream" , "Big spoonful" .)