"dunderpate" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dunder",
        "3": "pate"
      },
      "expansion": "dunder + pate",
      "name": "compound"
    }
  ],
  "etymology_text": "dunder + pate",
  "forms": [
    {
      "form": "dunderpates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "dunderpate (plural dunderpates)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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            "Entries with incorrect language header",
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          "source": "w"
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      "examples": [
        {
          "ref": "1995, Bill Oakley, Josh Weinstein, “Who Shot Mr. Burns? Part One”, in The Simpsons",
          "text": "Homer: Here's your package, Mr. Burns!\nMr. Burns: [Sputters] My name is the return address, you senseless dunderpate!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "dunderhead"
      ],
      "id": "en-dunderpate-en-noun-2slrZkTp",
      "links": [
        [
          "dunderhead",
          "dunderhead"
        ]
      ]
    }
  ],
  "word": "dunderpate"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dunder",
        "3": "pate"
      },
      "expansion": "dunder + pate",
      "name": "compound"
    }
  ],
  "etymology_text": "dunder + pate",
  "forms": [
    {
      "form": "dunderpates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dunderpate (plural dunderpates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
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      "examples": [
        {
          "ref": "1995, Bill Oakley, Josh Weinstein, “Who Shot Mr. Burns? Part One”, in The Simpsons",
          "text": "Homer: Here's your package, Mr. Burns!\nMr. Burns: [Sputters] My name is the return address, you senseless dunderpate!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "dunderhead"
      ],
      "links": [
        [
          "dunderhead",
          "dunderhead"
        ]
      ]
    }
  ],
  "word": "dunderpate"
}