"what in tarnation" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interjection",
        "head": "what in tarnation?"
      },
      "expansion": "what in tarnation?",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "2003. Judith Silverstein, Michael Lasky, \"Online dating for dummies\"\nWhat in Tarnation to Write I still remember the first girl I called up for a date at age 15."
        },
        {
          "ref": "2005. Charles Harrington Elster, \"What in the word?\", Page 35",
          "text": "Other euphemisms of this type (and there are many) include what in tarnation for what in damnation and what the Sam Hill for what the damn hell."
        },
        {
          "text": "2007. Diane Stanley. \"The Mysterious Case of the Allbright Academy\" Page 141.\n“What in tarnation do you think you're doing?”"
        },
        {
          "text": "What in tarnation have you done with my wallet!?"
        }
      ],
      "glosses": [
        "used to add emphasis to \"what\" when beginning question."
      ],
      "id": "en-what_in_tarnation-en-intj-TqC9JfQb",
      "links": [
        [
          "what",
          "what"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) used to add emphasis to \"what\" when beginning question."
      ],
      "synonyms": [
        {
          "word": "what the dickens"
        },
        {
          "word": "what on Earth"
        },
        {
          "word": "what the Devil"
        },
        {
          "word": "what the fuck"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-what in tarnation.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0d/En-au-what_in_tarnation.ogg/En-au-what_in_tarnation.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/0d/En-au-what_in_tarnation.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "what in tarnation"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interjection",
        "head": "what in tarnation?"
      },
      "expansion": "what in tarnation?",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links"
      ],
      "examples": [
        {
          "text": "2003. Judith Silverstein, Michael Lasky, \"Online dating for dummies\"\nWhat in Tarnation to Write I still remember the first girl I called up for a date at age 15."
        },
        {
          "ref": "2005. Charles Harrington Elster, \"What in the word?\", Page 35",
          "text": "Other euphemisms of this type (and there are many) include what in tarnation for what in damnation and what the Sam Hill for what the damn hell."
        },
        {
          "text": "2007. Diane Stanley. \"The Mysterious Case of the Allbright Academy\" Page 141.\n“What in tarnation do you think you're doing?”"
        },
        {
          "text": "What in tarnation have you done with my wallet!?"
        }
      ],
      "glosses": [
        "used to add emphasis to \"what\" when beginning question."
      ],
      "links": [
        [
          "what",
          "what"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) used to add emphasis to \"what\" when beginning question."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-what in tarnation.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0d/En-au-what_in_tarnation.ogg/En-au-what_in_tarnation.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/0d/En-au-what_in_tarnation.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "what the dickens"
    },
    {
      "word": "what on Earth"
    },
    {
      "word": "what the Devil"
    },
    {
      "word": "what the fuck"
    }
  ],
  "word": "what in tarnation"
}