女國音 [－国－]

Jyutping neoi5 gwok3 jam1
Pinyin nǚ guó yīn

Definitions (Wiktionary)
  1. noun
    A phenomenon in Beijing where young women pronounce Mandarin /tɕ/ (Pinyin j), /tɕʰ/ (q), and /ɕ/ (x) as /ts/ (z), /tsʰ/ (c), and /s/ (s).