"screw loose" meaning in English

{
  "forms": [
    {
      "form": "screws loose",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "screws loose"
      },
      "expansion": "screw loose (plural screws loose)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "have a screw loose"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "I think there's a screw loose in that brain of hers!"
        }
      ],
      "glosses": [
        "A state of insanity or eccentricity."
      ],
      "id": "en-screw_loose-en-noun-bt15xjx6",
      "links": [
        [
          "insanity",
          "insanity"
        ],
        [
          "eccentricity",
          "eccentricity"
        ]
      ],
      "raw_glosses": [
        "(slang) A state of insanity or eccentricity."
      ],
      "synonyms": [
        {
          "word": "slate loose"
        },
        {
          "word": "tile loose"
        }
      ],
      "tags": [
        "slang"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "1830, Anna Maria Morgan, Horatio in Search of a Wife, page 155",
          "text": "I understand there's a screw loose between you two , so I've brought Morton that you may shake hands, and be comfortable together.",
          "type": "quotation"
        },
        {
          "ref": "1845, Times and Seasons, volume 6, page 1050",
          "text": "There is evidently a screw loose between us and some or other of the countries from which, according to royal speeches, we are everlastingly receiving assurances of love and amity.",
          "type": "quotation"
        },
        {
          "ref": "1880, Sir Augustus Phillimore, The Life of Admiral of the Fleet Sir William Parker, page 404",
          "text": "There is a screw loose between the Austrians and French about Venice, which the latter wish to remain as a Republic, and they are also rather angry with Prussia, but I hope the French squadron at Trieste will not come to blows.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A state of enmity or disagreement."
      ],
      "id": "en-screw_loose-en-noun-fLAk-gca",
      "links": [
        [
          "enmity",
          "enmity"
        ],
        [
          "disagreement",
          "disagreement"
        ]
      ],
      "raw_glosses": [
        "(slang, archaic) A state of enmity or disagreement."
      ],
      "tags": [
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "screw loose"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "screws loose",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "screws loose"
      },
      "expansion": "screw loose (plural screws loose)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "have a screw loose"
    }
  ],
  "senses": [
    {
      "categories": [
        "English slang"
      ],
      "examples": [
        {
          "text": "I think there's a screw loose in that brain of hers!"
        }
      ],
      "glosses": [
        "A state of insanity or eccentricity."
      ],
      "links": [
        [
          "insanity",
          "insanity"
        ],
        [
          "eccentricity",
          "eccentricity"
        ]
      ],
      "raw_glosses": [
        "(slang) A state of insanity or eccentricity."
      ],
      "synonyms": [
        {
          "word": "slate loose"
        },
        {
          "word": "tile loose"
        }
      ],
      "tags": [
        "slang"
      ]
    },
    {
      "categories": [
        "English slang",
        "English terms with archaic senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1830, Anna Maria Morgan, Horatio in Search of a Wife, page 155",
          "text": "I understand there's a screw loose between you two , so I've brought Morton that you may shake hands, and be comfortable together.",
          "type": "quotation"
        },
        {
          "ref": "1845, Times and Seasons, volume 6, page 1050",
          "text": "There is evidently a screw loose between us and some or other of the countries from which, according to royal speeches, we are everlastingly receiving assurances of love and amity.",
          "type": "quotation"
        },
        {
          "ref": "1880, Sir Augustus Phillimore, The Life of Admiral of the Fleet Sir William Parker, page 404",
          "text": "There is a screw loose between the Austrians and French about Venice, which the latter wish to remain as a Republic, and they are also rather angry with Prussia, but I hope the French squadron at Trieste will not come to blows.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A state of enmity or disagreement."
      ],
      "links": [
        [
          "enmity",
          "enmity"
        ],
        [
          "disagreement",
          "disagreement"
        ]
      ],
      "raw_glosses": [
        "(slang, archaic) A state of enmity or disagreement."
      ],
      "tags": [
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "screw loose"
}