"junk job" meaning in English

{
  "forms": [
    {
      "form": "junk jobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "junk job (plural junk jobs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A disrespectable job offering no real benefits to the community."
      ],
      "id": "en-junk_job-en-noun-stKn4jDR",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "disrespectable",
          "disrespectable"
        ],
        [
          "benefit",
          "benefit"
        ],
        [
          "community",
          "community"
        ]
      ],
      "raw_glosses": [
        "(colloquial, derogatory) A disrespectable job offering no real benefits to the community."
      ],
      "tags": [
        "colloquial",
        "derogatory"
      ]
    }
  ],
  "word": "junk job"
}

{
  "forms": [
    {
      "form": "junk jobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "junk job (plural junk jobs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A disrespectable job offering no real benefits to the community."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "disrespectable",
          "disrespectable"
        ],
        [
          "benefit",
          "benefit"
        ],
        [
          "community",
          "community"
        ]
      ],
      "raw_glosses": [
        "(colloquial, derogatory) A disrespectable job offering no real benefits to the community."
      ],
      "tags": [
        "colloquial",
        "derogatory"
      ]
    }
  ],
  "word": "junk job"
}