"nennis" meaning in Icelandic

{
  "etymology_text": "Shortening of ég nenni þessu ekki (“I'm not in the mood to do this”), which is pronounced like “ég nennis ekki”.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "intj"
      },
      "expansion": "nennis",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic 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": [
        {
          "english": "Ugh, I'm really not in the mood to go to work tomorrow.",
          "text": "Nennis að fara að vinna á morgun.",
          "type": "example"
        }
      ],
      "glosses": [
        "I'm not in the mood to do this; I really have no interest in"
      ],
      "id": "en-nennis-is-intj-hzCafADH",
      "raw_glosses": [
        "(slang) I'm not in the mood to do this; I really have no interest in"
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "nennis"
}

{
  "etymology_text": "Shortening of ég nenni þessu ekki (“I'm not in the mood to do this”), which is pronounced like “ég nennis ekki”.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "intj"
      },
      "expansion": "nennis",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic interjections",
        "Icelandic lemmas",
        "Icelandic slang",
        "Icelandic terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "Ugh, I'm really not in the mood to go to work tomorrow.",
          "text": "Nennis að fara að vinna á morgun.",
          "type": "example"
        }
      ],
      "glosses": [
        "I'm not in the mood to do this; I really have no interest in"
      ],
      "raw_glosses": [
        "(slang) I'm not in the mood to do this; I really have no interest in"
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "nennis"
}