"met sint-juttemis" meaning in Dutch

{
  "etymology_text": "Originally “met sint-juttemis als de kalveren op het ijs dansen”, meaning “on Saint Judith’s (17 August) when the calves dance on the ice”, clearly an impossible feat, it being summer.",
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prepositional phrase"
      },
      "expansion": "met sint-juttemis",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "When pigs fly. Never."
      ],
      "id": "en-met_sint-juttemis-nl-prep_phrase-qvl8RZPH",
      "links": [
        [
          "When pigs fly",
          "when pigs fly"
        ],
        [
          "Never",
          "never"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) When pigs fly. Never."
      ],
      "tags": [
        "idiomatic"
      ],
      "wikipedia": [
        "nl:Sint-Juttemis"
      ]
    }
  ],
  "word": "met sint-juttemis"
}

{
  "etymology_text": "Originally “met sint-juttemis als de kalveren op het ijs dansen”, meaning “on Saint Judith’s (17 August) when the calves dance on the ice”, clearly an impossible feat, it being summer.",
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prepositional phrase"
      },
      "expansion": "met sint-juttemis",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch entries with language name categories using raw markup",
        "Dutch idioms",
        "Dutch lemmas",
        "Dutch multiword terms",
        "Dutch placeholder terms",
        "Dutch prepositional phrases"
      ],
      "glosses": [
        "When pigs fly. Never."
      ],
      "links": [
        [
          "When pigs fly",
          "when pigs fly"
        ],
        [
          "Never",
          "never"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) When pigs fly. Never."
      ],
      "tags": [
        "idiomatic"
      ],
      "wikipedia": [
        "nl:Sint-Juttemis"
      ]
    }
  ],
  "word": "met sint-juttemis"
}