"beat someone's brains out" meaning in English

{
  "forms": [
    {
      "form": "beats someone's brains out",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "beating someone's brains out",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "beat someone's brains out",
      "tags": [
        "past"
      ]
    },
    {
      "form": "beaten someone's brains out",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "beat someone's brains out",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "beat<,,beat,beaten> someone's brains out",
        "past_ptc2": "beat someone's brains out"
      },
      "expansion": "beat someone's brains out (third-person singular simple present beats someone's brains out, present participle beating someone's brains out, simple past beat someone's brains out, past participle beaten someone's brains out or beat someone's brains out)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 predicates",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Violence",
          "orig": "en:Violence",
          "parents": [
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To beat someone very severely."
      ],
      "id": "en-beat_someone's_brains_out-en-verb-Nved94qZ",
      "links": [
        [
          "severely",
          "severely"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To beat someone very severely."
      ],
      "related": [
        {
          "word": "beat one's brains out"
        }
      ],
      "synonyms": [
        {
          "word": "punch someone's lights out"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-beat someone's brains out.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/dc/En-au-beat_someone%27s_brains_out.ogg/En-au-beat_someone%27s_brains_out.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/dc/En-au-beat_someone%27s_brains_out.ogg"
    }
  ],
  "word": "beat someone's brains out"
}

{
  "forms": [
    {
      "form": "beats someone's brains out",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "beating someone's brains out",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "beat someone's brains out",
      "tags": [
        "past"
      ]
    },
    {
      "form": "beaten someone's brains out",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "beat someone's brains out",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "beat<,,beat,beaten> someone's brains out",
        "past_ptc2": "beat someone's brains out"
      },
      "expansion": "beat someone's brains out (third-person singular simple present beats someone's brains out, present participle beating someone's brains out, simple past beat someone's brains out, past participle beaten someone's brains out or beat someone's brains out)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "beat one's brains out"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English predicates",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Violence"
      ],
      "glosses": [
        "To beat someone very severely."
      ],
      "links": [
        [
          "severely",
          "severely"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To beat someone very severely."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-beat someone's brains out.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/dc/En-au-beat_someone%27s_brains_out.ogg/En-au-beat_someone%27s_brains_out.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/dc/En-au-beat_someone%27s_brains_out.ogg"
    }
  ],
  "synonyms": [
    {
      "word": "punch someone's lights out"
    }
  ],
  "word": "beat someone's brains out"
}