Sticky gunk (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sticky gunk</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for goo that I've seen before include "syrup" , "Sticky substance (colloq.)" , "mud, for example" , "Sentimentality (sl.)" , "Sticky stuff or sickly sentiment" .)
(Other definitions for gloop that I've seen before include "slime" , "Sticky stuff" .)