"good gravy" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "good gravy",
      "name": "en-interj"
    }
  ],
  "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": [
        {
          "ref": "1985 May, “The New Nuns”, in Orange Coast Magazine, page 86",
          "text": "\"[…] When I get the teeniest bit upset I say ...\"\nCrowell finishes the sentence for her: \"Good gravy. Good gravy is what you say.\nDiNardo brightens. \"Right. Good gravy. That's what I say. I wouldn't even say 'shoot.'\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used to express surprise or anger without a hint of profanity or blasphemy."
      ],
      "id": "en-good_gravy-en-intj-GTnyjkOv",
      "synonyms": [
        {
          "sense": "surprise or anger without profanity or blasphemy",
          "word": "wow"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "non-profane expression of anger or surprise",
          "word": "herranjestas"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "non-profane expression of anger or surprise",
          "word": "mitä ihmettä"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "non-profane expression of anger or surprise",
          "word": "mitä kummaa"
        }
      ]
    }
  ],
  "word": "good gravy"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "good gravy",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1985 May, “The New Nuns”, in Orange Coast Magazine, page 86",
          "text": "\"[…] When I get the teeniest bit upset I say ...\"\nCrowell finishes the sentence for her: \"Good gravy. Good gravy is what you say.\nDiNardo brightens. \"Right. Good gravy. That's what I say. I wouldn't even say 'shoot.'\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used to express surprise or anger without a hint of profanity or blasphemy."
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "surprise or anger without profanity or blasphemy",
      "word": "wow"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "non-profane expression of anger or surprise",
      "word": "herranjestas"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "non-profane expression of anger or surprise",
      "word": "mitä ihmettä"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "non-profane expression of anger or surprise",
      "word": "mitä kummaa"
    }
  ],
  "word": "good gravy"
}