"fucking oath" meaning in English

{
  "forms": [
    {
      "form": "ken oath",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "fucking oath",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bloody oath"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Commonwealth English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Irish English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of bloody oath"
      ],
      "id": "en-fucking_oath-en-phrase-4~wCVi2Z",
      "links": [
        [
          "bloody oath",
          "bloody oath#English"
        ]
      ],
      "raw_glosses": [
        "(Commonwealth, UK, Ireland, colloquial, vulgar) Alternative form of bloody oath"
      ],
      "tags": [
        "Commonwealth",
        "Ireland",
        "UK",
        "alt-of",
        "alternative",
        "colloquial",
        "vulgar"
      ]
    }
  ],
  "word": "fucking oath"
}

{
  "forms": [
    {
      "form": "ken oath",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "fucking oath",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bloody oath"
        }
      ],
      "categories": [
        "British English",
        "Commonwealth English",
        "English colloquialisms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English vulgarities",
        "Irish English",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative form of bloody oath"
      ],
      "links": [
        [
          "bloody oath",
          "bloody oath#English"
        ]
      ],
      "raw_glosses": [
        "(Commonwealth, UK, Ireland, colloquial, vulgar) Alternative form of bloody oath"
      ],
      "tags": [
        "Commonwealth",
        "Ireland",
        "UK",
        "alt-of",
        "alternative",
        "colloquial",
        "vulgar"
      ]
    }
  ],
  "word": "fucking oath"
}