ribald

1. ADJ A ribald remark or sense of humour is rather vulgar and refers to sex in a humorous way. 下流的; 粗俗的[usu ADJ n]

...her ribald comments about a fellow guest's body language. ...她對(duì)同桌的一位客人的肢體語(yǔ)言所作出的粗俗評(píng)論。