The story
From their prevalence around outdoor toilets (dunnies) and supposed large size (exaggeratedly, as big as a budgerigar).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A blowfly. Full definition →
From their prevalence around outdoor toilets (dunnies) and supposed large size (exaggeratedly, as big as a budgerigar).
Etymology from Wiktionary, CC BY-SA 4.0.