"casser la gueule" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "casser la gueule",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "_dis1": "0 0",
      "word": "casse-gueule"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "83 17",
          "kind": "topical",
          "langcode": "fr",
          "name": "Violence",
          "orig": "fr:Violence",
          "parents": [
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to duff up, to beat up [+ à (someone)]",
        "to duff up, to beat up"
      ],
      "id": "en-casser_la_gueule-fr-verb-GNhFSRGu",
      "links": [
        [
          "duff up",
          "duff up"
        ],
        [
          "beat up",
          "beat up"
        ],
        [
          "à",
          "à#French"
        ]
      ],
      "raw_glosses": [
        "(very informal, figuratively) to duff up, to beat up [+ à (someone)]"
      ],
      "synonyms": [
        {
          "word": "péter la gueule"
        },
        {
          "word": "refaire le portrait"
        },
        {
          "word": "faire la tête au carré"
        }
      ],
      "tags": [
        "figuratively",
        "informal"
      ]
    },
    {
      "categories": [
        {
          "_dis": "26 74",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to fail, to fall flat on one's face"
      ],
      "id": "en-casser_la_gueule-fr-verb-PyJawVxR",
      "links": [
        [
          "fail",
          "fail"
        ],
        [
          "fall flat on one's face",
          "fall flat on one's face"
        ]
      ],
      "raw_glosses": [
        "(reflexive, very informal, figuratively) to fail, to fall flat on one's face"
      ],
      "synonyms": [
        {
          "word": "se casser la figure"
        },
        {
          "word": "se planter"
        }
      ],
      "tags": [
        "figuratively",
        "informal",
        "reflexive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ka.se la ɡœl/"
    },
    {
      "ipa": "/kɑ.se la ɡœl/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-casser la gueule.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "casser la gueule"
}

{
  "categories": [
    "French entries with incorrect language header",
    "French lemmas",
    "French multiword terms",
    "French terms with IPA pronunciation",
    "French terms with audio links",
    "French verbs",
    "fr:Violence"
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "casser la gueule",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "word": "casse-gueule"
    }
  ],
  "senses": [
    {
      "categories": [
        "French informal terms"
      ],
      "glosses": [
        "to duff up, to beat up [+ à (someone)]",
        "to duff up, to beat up"
      ],
      "links": [
        [
          "duff up",
          "duff up"
        ],
        [
          "beat up",
          "beat up"
        ],
        [
          "à",
          "à#French"
        ]
      ],
      "raw_glosses": [
        "(very informal, figuratively) to duff up, to beat up [+ à (someone)]"
      ],
      "synonyms": [
        {
          "word": "péter la gueule"
        },
        {
          "word": "refaire le portrait"
        },
        {
          "word": "faire la tête au carré"
        }
      ],
      "tags": [
        "figuratively",
        "informal"
      ]
    },
    {
      "categories": [
        "French informal terms",
        "French reflexive verbs"
      ],
      "glosses": [
        "to fail, to fall flat on one's face"
      ],
      "links": [
        [
          "fail",
          "fail"
        ],
        [
          "fall flat on one's face",
          "fall flat on one's face"
        ]
      ],
      "raw_glosses": [
        "(reflexive, very informal, figuratively) to fail, to fall flat on one's face"
      ],
      "synonyms": [
        {
          "word": "se casser la figure"
        },
        {
          "word": "se planter"
        }
      ],
      "tags": [
        "figuratively",
        "informal",
        "reflexive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ka.se la ɡœl/"
    },
    {
      "ipa": "/kɑ.se la ɡœl/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-casser la gueule.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav/LL-Q150_%28fra%29-LoquaxFR-casser_la_gueule.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "casser la gueule"
}