Definition of piggism in US English:

piggism

(also pigism)

noun

rare, derogatory
  • Piggish behaviour, piggishness.

Origin

Mid 19th century; earliest use found in Elizabeth Gaskell (1810–1865), novelist and short-story writer. From pig + -ism.

Pronunciation

piggism

/ˈpɪɡɪz(ə)m/