"plain old" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "plain old (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "plain old data"
        },
        {
          "word": "plain old telephone service"
        }
      ],
      "examples": [
        {
          "ref": "1995, HAL Laboratory, EarthBound, Nintendo, Super Nintendo Entertainment System",
          "text": "That teddy bear they sell over there...I heard it helps in battle. I don't know what they're talking about. It looks like a plain ol' teddy bear to me...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having no special properties; ordinary."
      ],
      "id": "en-plain_old-en-adj-uxFxppt3",
      "links": [
        [
          "special",
          "special"
        ],
        [
          "properties",
          "property"
        ],
        [
          "ordinary",
          "ordinary"
        ]
      ],
      "related": [
        {
          "word": "good old"
        },
        {
          "word": "same old"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "plain old"
}

{
  "derived": [
    {
      "word": "plain old data"
    },
    {
      "word": "plain old telephone service"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "plain old (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "good old"
    },
    {
      "word": "same old"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1995, HAL Laboratory, EarthBound, Nintendo, Super Nintendo Entertainment System",
          "text": "That teddy bear they sell over there...I heard it helps in battle. I don't know what they're talking about. It looks like a plain ol' teddy bear to me...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having no special properties; ordinary."
      ],
      "links": [
        [
          "special",
          "special"
        ],
        [
          "properties",
          "property"
        ],
        [
          "ordinary",
          "ordinary"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "plain old"
}