"che mangino brioche" meaning in Italien

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions-phrases en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Italien",
      "orig": "italien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ironies en italien",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en italien",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Qu’ils mangent de la brioche."
      ],
      "id": "fr-che_mangino_brioche-it-phrase-m9zLWtmX",
      "raw_tags": [
        "Ironique"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈke man.ˈd͡ʒi.no bri.ˈjɔʃ\\"
    }
  ],
  "word": "che mangino brioche"
}

{
  "categories": [
    "Locutions-phrases en italien",
    "italien"
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        "Ironies en italien",
        "Wiktionnaire:Exemples manquants en italien"
      ],
      "glosses": [
        "Qu’ils mangent de la brioche."
      ],
      "raw_tags": [
        "Ironique"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈke man.ˈd͡ʒi.no bri.ˈjɔʃ\\"
    }
  ],
  "word": "che mangino brioche"
}