WordNet (r) 3.0 (2006):

glop
    n 1: any gummy shapeless matter; usually unpleasant
    2: writing or music that is excessively sweet and sentimental
       [syn: treacle, mush, slop, glop]

Moby Thesaurus II by Grady Ward, 1.0:

57 Moby Thesaurus words for "glop":
   albumen, batter, bonnyclabber, butter, clabber, cornstarch, cream,
   curd, dough, egg white, gaum, gel, gelatin, glair, glue, gluten,
   goo, gook, goop, gruel, gumbo, gunk, jam, jell, jelly, loblolly,
   mire, molasses, mucilage, muck, mucus, ooze, pap, paste, porridge,
   pudding, pulp, puree, putty, rob, scum, semifluid, semiliquid,
   size, slab, slime, slob, slop, slosh, sludge, slush, soup, splosh,
   starch, sticky mess, syrup, treacle