slime

• Any thick, viscous matter (synset 114980800)
  hypernym: matter - that which has mass and occupies space
  hyponym: sapropel - sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
  synonym: goo, gook, goop, guck, gunk, muck, ooze, sludge

• Cover or stain with slime (synset 201255294)
  hypernym: begrime, bemire, colly, dirty, grime, soil - make soiled, filthy, or dirty

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