Answer:

slime

Answer	Crossword Clue
SLIME	Yucky stuff
SLIME	Gooey mess
SLIME	Viscous stuff

SLIME	Scoundrels, so to speak
SLIME	Muck
SLIME	Oozy gunk
SLIME	"Ghostbusters" hazard
SLIME	"Ghostbusters" gunk
SLIME	No-goodnik
SLIME	Goo
SLIME	"Ghostbusters" goo

SLIME	Foul stuff
SLIME	Icky residue
SLIME	Ooze
SLIME	Icky stuff
SLIME	Guck
SLIME	"Ghostbusters" goop
SLIME	Slug's trail
SLIME	Gooey stuff

SLIME	It's icky
SLIME	Lowlifes
SLIME	Lowlife
SLIME	Catfish coating
SLIME	Muck or guck
SLIME	Oozy stuff
SLIME	Horror-film prop
SLIME	.. molds (fungi)

SLIME	Sticky mud
SLIME	Thin mud
SLIME	Gunky stuff
SLIME	Unpleasant residue
SLIME	Slippery goo
SLIME	Form of mud
SLIME	Despicable sort
SLIME	Cover with ectoplasm

SLIME	Snail trail
SLIME	Slug secretion
SLIME	Mire.
SLIME	Mud.
SLIME	Viscous mud.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.