yín​cí​xiè​yǔ

dirty talk

  1. lewd
    (bound form) wanton; lewd; lascivious; obscene; refers to improper or illicit sexual behavior
  2. nounverb
    speech
    statement; words; things spoken or written, such as a script, speech, or legal statement
  3. obscene
    (bound form) obscene; lewd; filthy, such as in 猥亵 wěi​xiè
  4. language
    (bound form) language; dialect; speech; words; phonetic or morphological components of speech