"over the bender" meaning in English

{
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      "expansion": "over the bender",
      "name": "en-interj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "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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      ],
      "examples": [
        {
          "ref": "1835, Charles Whitehead, The Autobiography of Jack Ketch, page 74",
          "text": "\"Over the bender,\" said Wisp, with a laugh, tossing his thumb over his left shoulder as he spoke.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of over the left shoulder (“to indicate insincerity, negation, or disbelief”)"
      ],
      "id": "en-over_the_bender-en-intj-O4W704KX",
      "links": [
        [
          "over the left shoulder",
          "over the left shoulder#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete, British slang) Synonym of over the left shoulder (“to indicate insincerity, negation, or disbelief”)"
      ],
      "synonyms": [
        {
          "extra": "to indicate insincerity, negation, or disbelief",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "over the left shoulder"
        }
      ],
      "tags": [
        "British",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "over the bender"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "over the bender",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "British slang",
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with obsolete senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1835, Charles Whitehead, The Autobiography of Jack Ketch, page 74",
          "text": "\"Over the bender,\" said Wisp, with a laugh, tossing his thumb over his left shoulder as he spoke.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of over the left shoulder (“to indicate insincerity, negation, or disbelief”)"
      ],
      "links": [
        [
          "over the left shoulder",
          "over the left shoulder#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete, British slang) Synonym of over the left shoulder (“to indicate insincerity, negation, or disbelief”)"
      ],
      "synonyms": [
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          "extra": "to indicate insincerity, negation, or disbelief",
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "over the left shoulder"
        }
      ],
      "tags": [
        "British",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "over the bender"
}