"too cool for school" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "too cool for school (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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2014 December 23, Quinten Plummer, “Teens Show Thumbs Up to Instagram but Thumbs Down to Facebook”, in Tech Times:",
          "text": "Firstable (the latest word for first of all, for those not too cool for school), the decline in teen users can be largely attributed to rival messaging apps and the public distrust of Facebook.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Very cool (trendy, fashionable, etc.)."
      ],
      "id": "en-too_cool_for_school-en-adj-V4J5s0bO",
      "raw_glosses": [
        "(informal) Very cool (trendy, fashionable, etc.)."
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "word": "too cool for school"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "too cool for school (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English rhyming phrases",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2014 December 23, Quinten Plummer, “Teens Show Thumbs Up to Instagram but Thumbs Down to Facebook”, in Tech Times:",
          "text": "Firstable (the latest word for first of all, for those not too cool for school), the decline in teen users can be largely attributed to rival messaging apps and the public distrust of Facebook.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Very cool (trendy, fashionable, etc.)."
      ],
      "raw_glosses": [
        "(informal) Very cool (trendy, fashionable, etc.)."
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "word": "too cool for school"
}