Definition/Meaning of plonko

• English - Noun: plonko ( plural plonkos ) ( Australia , informal ) someone addicted to cheap wine . 1978 , Bill Mollison, Coral Everitt, The Tasmanian Aborigines and their descendants Then there's the mob of plonkos who sleep down at the dockside , less than 700 yards from the city's Town Hall . See also boozehound wino
• English - Etymology: plonk +‎ -o . See also wino