"heads will roll" meaning in English

{
  "etymology_text": "From the imagery of a head rolling on the ground when a person is decapitated as punishment for a crime.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "heads will roll",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "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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        {
          "kind": "other",
          "name": "Pages with entries",
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        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Hungarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "If this project isn't completed on time, heads will roll.",
          "type": "example"
        }
      ],
      "glosses": [
        "Some people will be fired for incompetence."
      ],
      "id": "en-heads_will_roll-en-phrase-BwodJ6AN",
      "links": [
        [
          "fired",
          "fire#Verb"
        ],
        [
          "incompetence",
          "incompetence"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Some people will be fired for incompetence."
      ],
      "related": [
        {
          "word": "have someone's head"
        },
        {
          "word": "off with someone's head"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "some people will be fired for incompetence",
          "word": "人頭落地"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "réntóu luòdì",
          "sense": "some people will be fired for incompetence",
          "word": "人头落地"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "some people will be fired for incompetence",
          "word": "päitä putoilee"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "some people will be fired for incompetence",
          "word": "des têtes vont tomber"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "some people will be fired for incompetence",
          "word": "fejek fognak hullani"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "some people will be fired for incompetence",
          "word": "cadranno delle teste"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "some people will be fired for incompetence",
          "word": "polecą głowy"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "poletjat golovy",
          "sense": "some people will be fired for incompetence",
          "word": "полетят головы"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-heads will roll.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-au-heads_will_roll.ogg/En-au-heads_will_roll.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-au-heads_will_roll.ogg"
    }
  ],
  "word": "heads will roll"
}

{
  "etymology_text": "From the imagery of a head rolling on the ground when a person is decapitated as punishment for a crime.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "heads will roll",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "have someone's head"
    },
    {
      "word": "off with someone's head"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English sentences",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Hungarian translations",
        "Terms with Italian translations",
        "Terms with Mandarin translations",
        "Terms with Polish translations",
        "Terms with Russian translations"
      ],
      "examples": [
        {
          "text": "If this project isn't completed on time, heads will roll.",
          "type": "example"
        }
      ],
      "glosses": [
        "Some people will be fired for incompetence."
      ],
      "links": [
        [
          "fired",
          "fire#Verb"
        ],
        [
          "incompetence",
          "incompetence"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Some people will be fired for incompetence."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-heads will roll.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-au-heads_will_roll.ogg/En-au-heads_will_roll.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-au-heads_will_roll.ogg"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "some people will be fired for incompetence",
      "word": "人頭落地"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "réntóu luòdì",
      "sense": "some people will be fired for incompetence",
      "word": "人头落地"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "some people will be fired for incompetence",
      "word": "päitä putoilee"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "some people will be fired for incompetence",
      "word": "des têtes vont tomber"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "some people will be fired for incompetence",
      "word": "fejek fognak hullani"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "some people will be fired for incompetence",
      "word": "cadranno delle teste"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "some people will be fired for incompetence",
      "word": "polecą głowy"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "poletjat golovy",
      "sense": "some people will be fired for incompetence",
      "word": "полетят головы"
    }
  ],
  "word": "heads will roll"
}