とくていちゅう

  1. noun (common) (futsuumeishi)

    person who identifies someone's private information (esp. through online research), doxxer, doxer, Internet sleuth
    Internet slang
    derogatory

  2. noun (common) (futsuumeishi)

    person who identifies real-life locations or items appearing in anime, video games, etc.
    Internet slang
    derogatory