a shiny black bird with a long tail 卷尾（毛色光亮的长尾黑鸟） - (Australian English, New Zealand English, slang)
a stupid person 傻瓜；笨蛋
Word Originmid 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.