Also a term of abuse used by Captain Haddock by VaccaD

Question 7

WHAT TERM meaning "people who live in a cave" has subsequently taken on many other meanings, including the species name of the common chimpanzee, a generic term for people with a primitive mindset, and underground-dwelling reptilian humanoids in Dungeons & Dragons that emit an incapacitatingly foul scent when angered or frightened?