wonga-wonga \ˈwäŋəˈwäŋə\noun orwonga\ˈwäŋə\ (-s) Etymology: native names in New So. Wales 1. a.: an Australian woody vine (Pandorea pandorana) with loose panicles of yellowish white flowers b.Australia: a narrow-leaved cattail (Typha angustifolia) 2.: a very large Australian pigeon (Leucosarcia melanoleuca) with very white flesh