referring to sexual matters in an amusingly rude or irreverent way 开淫荡玩笑的,言谈淫俗的 a ribald comment. 下流的评论。
语源
Middle English (as a noun denoting a lowly retainer or a licentious or irreverent person): from Old French ribauld, from riber 'indulge in licentious pleasures', from a Germanic base meaning 'prostitute'