Answer: guck

AnswerCrossword Clue
GUCKDisgusting stuff
GUCKSlimy substance
GUCKSlime
GUCKIt's gross
GUCKCrud
GUCKSlimy stuff
GUCKThick, messy stuff
GUCKSticky stuff
gucka messy substance
guckoozy sloppy dirt or debris
guckslime or oozy dirt
guckany oozy, sticky, or slimy substance