Slang term for the Ibis, an ancient species of bird, the population of which has soared in Sydney since the early 21st century saw a mass migration of the little cunts from western parts of the state, likely seeking cooler, moister climates and possibly employment. See Bin Chicken.
See that winged creature with the exposed brain feasting on trash over there? That's just an East Sydney Flamingo.
by InternetComedian October 13, 2018