망나니Top 8000MeaningsNoun1. yahoo, thug, ruffian (derogatory)2. headsman, executioner (historical)PronunciationmangnaniExamples2망나니처럼 행동해서 미안해.I'm sorry that I acted like a jerk.망나니 노릇이 그의 종생의 업이었다.The business of executioner was his lifelong work.