"Janet and John" meaning in English

{
  "etymology_text": "From the Janet and John series of early reading books, published in the UK in 1949–50.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "Janet and John",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              50,
              64
            ]
          ],
          "text": "There is an instruction manual, but it's all very Janet and John.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              38,
              52
            ]
          ],
          "ref": "2014, John Hutton, Leigh Lewis, How to Be a Minister: A 21st-Century Guide:",
          "text": "Apologies if what follows seems a bit Janet and John. But if you already know it all it will at least be welcome confirmation and, if you don't, well at least someone tried to give you some genuinely well-intentioned advice.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Childishly simple or obvious, resembling something found in a book for very young children."
      ],
      "id": "en-Janet_and_John-en-adj-gw--0CaX",
      "raw_glosses": [
        "(UK) Childishly simple or obvious, resembling something found in a book for very young children."
      ],
      "tags": [
        "UK"
      ],
      "wikipedia": [
        "Janet and John"
      ]
    }
  ],
  "word": "Janet and John"
}

{
  "etymology_text": "From the Janet and John series of early reading books, published in the UK in 1949–50.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "Janet and John",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "British English",
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              50,
              64
            ]
          ],
          "text": "There is an instruction manual, but it's all very Janet and John.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              38,
              52
            ]
          ],
          "ref": "2014, John Hutton, Leigh Lewis, How to Be a Minister: A 21st-Century Guide:",
          "text": "Apologies if what follows seems a bit Janet and John. But if you already know it all it will at least be welcome confirmation and, if you don't, well at least someone tried to give you some genuinely well-intentioned advice.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Childishly simple or obvious, resembling something found in a book for very young children."
      ],
      "raw_glosses": [
        "(UK) Childishly simple or obvious, resembling something found in a book for very young children."
      ],
      "tags": [
        "UK"
      ],
      "wikipedia": [
        "Janet and John"
      ]
    }
  ],
  "word": "Janet and John"
}