Meaning

• Noun

  1. Waste material from a mine.
  2. Scum that forms on the surface of molten metal.
  3. Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.
  4. Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.
  5. Scoria associated with a volcano.
  6. (slang) A prostitute or promiscuous woman; a slut.
  7. A coward.
  8. A contemptible person, a scumbag.

• Verb