bunyip aristocracy noun1 •(Australia, disapproving) A peerage (hypothetical or proposed) in Australia; the new (in the colonial era) landed rich aspiring to aristocracy; snobbish Australian conservatives.Here we all know the common water mole was transferred into the duck-billed platypus, and in some distant emulation of this degeneration, I suppose we are to be favoured with a bunyip aristocracy. — 1853