"sure as eggs is eggs" meaning in English

{
  "etymology_text": "Possible corruption of \"x is x\", a statement equivalent to the mathematical expression x = x, or the phrase \"A is A\" in relation to the law of identity.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sure as eggs is eggs (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English reduplications",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English similes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "At this time of year, sure as eggs is eggs, the TV starts filling with Christmas ads for toys."
        }
      ],
      "glosses": [
        "Most certainly."
      ],
      "id": "en-sure_as_eggs_is_eggs-en-adv-JCa4jgzh",
      "links": [
        [
          "certainly",
          "certainly"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile, colloquial) Most certainly."
      ],
      "synonyms": [
        {
          "word": "as sure as eggs are eggs"
        },
        {
          "word": "as sure as eggs is eggs"
        },
        {
          "word": "sure as eggs are eggs"
        }
      ],
      "tags": [
        "colloquial",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sure as eggs is eggs.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/En-au-sure_as_eggs_is_eggs.ogg/En-au-sure_as_eggs_is_eggs.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9c/En-au-sure_as_eggs_is_eggs.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "sure as eggs is eggs"
}

{
  "etymology_text": "Possible corruption of \"x is x\", a statement equivalent to the mathematical expression x = x, or the phrase \"A is A\" in relation to the law of identity.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sure as eggs is eggs (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English colloquialisms",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English reduplications",
        "English similes",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English uncomparable adverbs"
      ],
      "examples": [
        {
          "text": "At this time of year, sure as eggs is eggs, the TV starts filling with Christmas ads for toys."
        }
      ],
      "glosses": [
        "Most certainly."
      ],
      "links": [
        [
          "certainly",
          "certainly"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile, colloquial) Most certainly."
      ],
      "tags": [
        "colloquial",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sure as eggs is eggs.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/En-au-sure_as_eggs_is_eggs.ogg/En-au-sure_as_eggs_is_eggs.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9c/En-au-sure_as_eggs_is_eggs.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "as sure as eggs are eggs"
    },
    {
      "word": "as sure as eggs is eggs"
    },
    {
      "word": "sure as eggs are eggs"
    }
  ],
  "word": "sure as eggs is eggs"
}