"sunny side down" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sunny side down (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"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Eggs",
          "orig": "en:Eggs",
          "parents": [
            "Birds",
            "Foods",
            "Reproduction",
            "Vertebrates",
            "Eating",
            "Food and drink",
            "Life",
            "Chordates",
            "Human behaviour",
            "All topics",
            "Nature",
            "Animals",
            "Human",
            "Fundamental",
            "Lifeforms"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "sunny side up"
        },
        {
          "word": "over medium"
        },
        {
          "word": "over hard"
        }
      ],
      "glosses": [
        "Synonym of over easy"
      ],
      "id": "en-sunny_side_down-en-adv-bKfLvqyO",
      "links": [
        [
          "over easy",
          "over easy#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "over easy"
        },
        {
          "word": "sunny-side down"
        },
        {
          "word": "sunnyside down"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "sunny side down"
}

{
  "coordinate_terms": [
    {
      "word": "sunny side up"
    },
    {
      "word": "over medium"
    },
    {
      "word": "over hard"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sunny side down (not comparable)",
      "name": "en-adv"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English uncomparable adverbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Eggs"
      ],
      "glosses": [
        "Synonym of over easy"
      ],
      "links": [
        [
          "over easy",
          "over easy#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "over easy"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sunny-side down"
    },
    {
      "word": "sunnyside down"
    }
  ],
  "word": "sunny side down"
}