"fy faen" meaning in Norwegian Nynorsk

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "fy fan"
      },
      "expansion": "Swedish fy fan",
      "name": "cog"
    }
  ],
  "etymology_text": "Compare Swedish fy fan.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "interjection"
      },
      "expansion": "fy faen",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Nynorsk entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "emphatic of faen; an (often negative) interjection or intensifier."
      ],
      "id": "en-fy_faen-nn-intj--THUrVXb",
      "links": [
        [
          "faen",
          "faen#Norwegian_Nynorsk"
        ]
      ],
      "related": [
        {
          "word": "steikje ta"
        }
      ],
      "synonyms": [
        {
          "word": "fy flate"
        },
        {
          "word": "fy søren"
        },
        {
          "word": "fyttigrisen"
        },
        {
          "word": "fyttikatta"
        },
        {
          "word": "fyttirakkern"
        }
      ]
    }
  ],
  "word": "fy faen"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "fy fan"
      },
      "expansion": "Swedish fy fan",
      "name": "cog"
    }
  ],
  "etymology_text": "Compare Swedish fy fan.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "interjection"
      },
      "expansion": "fy faen",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "intj",
  "related": [
    {
      "word": "steikje ta"
    }
  ],
  "senses": [
    {
      "categories": [
        "Norwegian Nynorsk entries with incorrect language header",
        "Norwegian Nynorsk interjections",
        "Norwegian Nynorsk lemmas",
        "Norwegian Nynorsk multiword terms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "emphatic of faen; an (often negative) interjection or intensifier."
      ],
      "links": [
        [
          "faen",
          "faen#Norwegian_Nynorsk"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fy flate"
    },
    {
      "word": "fy søren"
    },
    {
      "word": "fyttigrisen"
    },
    {
      "word": "fyttikatta"
    },
    {
      "word": "fyttirakkern"
    }
  ],
  "word": "fy faen"
}