Search Result for "guck": 
Wordnet 3.0

NOUN (1)

1. any thick, viscous matter;
[syn: sludge, slime, goo, goop, gook, guck, gunk, muck, ooze]



The Collaborative International Dictionary of English v.0.48:

guck \guck\ n.
   1. any thick messy substance.

   Syn: goo, gook, gunk, muck, ooze, sludge, slime.
        [WordNet 1.5]


WordNet (r) 3.0 (2006):

guck
    n 1: any thick, viscous matter [syn: sludge, slime, goo,
         goop, gook, guck, gunk, muck, ooze]