/ ˈdrɒŋgəʊ; NAmE ˈdrɑːŋgoʊ/ noun ( pl. -os or -oes )
1.
a shiny black bird with a long tail
2.
( AustralE , NZE , slang ) a stupid person
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WORD ORIGIN
mid 19th cent.: from Malagasy (the language of Madagascar). Sense 2 is said to be from the name of an Australian racehorse of the 1920s which consistently finished last or near last.