Thick slime (3)
I believe the answer is:
goo
(Other definitions for goo that I've seen before include "Sticky or slimy substance" , "Substance that's viscous" , "Sticky substance (colloq.)" , "Sticky substance (sl.)" , "Sticky matter" .)
I believe the answer is:
goo
(Other definitions for goo that I've seen before include "Sticky or slimy substance" , "Substance that's viscous" , "Sticky substance (colloq.)" , "Sticky substance (sl.)" , "Sticky matter" .)