"open one's big mouth" meaning in English

{
  "forms": [
    {
      "form": "opens one's big mouth",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "opening one's big mouth",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "opened one's big mouth",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "opened one's big mouth",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "head": "open one's big mouth"
      },
      "expansion": "open one's big mouth (third-person singular simple present opens one's big mouth, present participle opening one's big mouth, simple past and past participle opened one's big mouth)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Talking",
          "orig": "en:Talking",
          "parents": [
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Grr, why do I always open my big mouth after doing something wrong?"
        }
      ],
      "glosses": [
        "To speak about things rashly or foolishly, when it would be better to stay silent."
      ],
      "id": "en-open_one's_big_mouth-en-verb-FZ0bNNVS",
      "raw_glosses": [
        "(informal) To speak about things rashly or foolishly, when it would be better to stay silent."
      ],
      "related": [
        {
          "word": "hold one's tongue"
        }
      ],
      "tags": [
        "informal"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "speak when it would be better to stay silent",
          "word": "avata suuri suunsa"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "speak when it would be better to stay silent",
          "word": "ouvrir sa grande gueule"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "speak when it would be better to stay silent",
          "word": "vera kjaftaskur"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "jazýk začesalsja",
          "sense": "speak when it would be better to stay silent",
          "word": "язы́к зачесался"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "raspustitʹ jazýk",
          "sense": "speak when it would be better to stay silent",
          "word": "распустить язы́к"
        }
      ]
    }
  ],
  "word": "open one's big mouth"
}

{
  "forms": [
    {
      "form": "opens one's big mouth",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "opening one's big mouth",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "opened one's big mouth",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "opened one's big mouth",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "head": "open one's big mouth"
      },
      "expansion": "open one's big mouth (third-person singular simple present opens one's big mouth, present participle opening one's big mouth, simple past and past participle opened one's big mouth)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "hold one's tongue"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English terms with non-redundant non-automated sortkeys",
        "English verbs",
        "en:Talking"
      ],
      "examples": [
        {
          "text": "Grr, why do I always open my big mouth after doing something wrong?"
        }
      ],
      "glosses": [
        "To speak about things rashly or foolishly, when it would be better to stay silent."
      ],
      "raw_glosses": [
        "(informal) To speak about things rashly or foolishly, when it would be better to stay silent."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "speak when it would be better to stay silent",
      "word": "avata suuri suunsa"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "speak when it would be better to stay silent",
      "word": "ouvrir sa grande gueule"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "speak when it would be better to stay silent",
      "word": "vera kjaftaskur"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "jazýk začesalsja",
      "sense": "speak when it would be better to stay silent",
      "word": "язы́к зачесался"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "raspustitʹ jazýk",
      "sense": "speak when it would be better to stay silent",
      "word": "распустить язы́к"
    }
  ],
  "word": "open one's big mouth"
}