talk dirty1 informal RUDE/OBSCENEto talk about sex using offensive words 讲下流话 → talk dirty at dirty2(2)
2 informalSYSEX/HAVE SEX WITH to talk in a sexual way to someone in order to make them feel sexually excited (对某人)说下流话,说挑逗的话〔以使某人性兴奋〕 → talk dirty (to somebody) at talk1(23)