A morally reprehensible, disreputable, or sleazy person.
A person who is regarded as slimy (that is, sneaky or underhanded) or otherwise undesirable.
A 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).