A man's hairstyle, associated especially with the 1950s, in which the hair is slicked back on both sides and tapered at the nape.
〈非正式〉（男子的）鸭尾巴式发型
Example sentencesExamples
His fine quiff sweeps back dramatically from his forehead down to his comfortable duck's arse.
He had dark hair, combed in an elaborate duck's ass, which for some reason didn't look silly on him, and he slouched against the wall with far more grace than his similarly garbed compatriots.
Definition of duck's ass in US English:
duck's ass
noun
informal
another term for ducktail
Example sentencesExamples
His fine quiff sweeps back dramatically from his forehead down to his comfortable duck's arse.
He had dark hair, combed in an elaborate duck's ass, which for some reason didn't look silly on him, and he slouched against the wall with far more grace than his similarly garbed compatriots.