"holy carp" meaning in English

{
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      "args": {},
      "expansion": "holy carp",
      "name": "en-interj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
          "name": "English euphemisms",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2014 December 22, Dan Shive, El Goonish Shive - EGS:NP (webcomic), Comic for Monday, Dec 22, 2014",
          "text": "Insert a quick recap of everything magic-related from the night of the card tournament in which Tedd learned of his ability to intuitively know how spells work here, including things that would be considered spoilers as of the time this comic was first published. \"Holy carp!\" \"I know!\"",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "holy crap"
        }
      ],
      "glosses": [
        "Euphemistic form of holy crap."
      ],
      "id": "en-holy_carp-en-intj-l61klArI",
      "links": [
        [
          "holy crap",
          "holy crap#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Euphemistic form of holy crap."
      ],
      "tags": [
        "euphemistic",
        "form-of",
        "slang"
      ]
    }
  ],
  "word": "holy carp"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "holy carp",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English euphemisms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2014 December 22, Dan Shive, El Goonish Shive - EGS:NP (webcomic), Comic for Monday, Dec 22, 2014",
          "text": "Insert a quick recap of everything magic-related from the night of the card tournament in which Tedd learned of his ability to intuitively know how spells work here, including things that would be considered spoilers as of the time this comic was first published. \"Holy carp!\" \"I know!\"",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "holy crap"
        }
      ],
      "glosses": [
        "Euphemistic form of holy crap."
      ],
      "links": [
        [
          "holy crap",
          "holy crap#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Euphemistic form of holy crap."
      ],
      "tags": [
        "euphemistic",
        "form-of",
        "slang"
      ]
    }
  ],
  "word": "holy carp"
}