1.NounA round lump made up of or coated with slime or a slime-like substance such as mucus.
A mucus-coated lump containing the cercariae (“parasitic larvae”) of a liver fluke (of the phylum Platyhelminthes).
2.NounA mucus-coated lump containing the cercariae (“parasitic larvae”) of a liver fluke (of the phylum Platyhelminthes).
3.NounA person who is slimy (that is, sneaky or underhanded) or otherwise undesirable.