"veitiggi" meaning in Icelandic

{
  "etymology_text": "From ég veit (I know) + ekki (not).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "contractions"
      },
      "expansion": "veitiggi",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "contraction",
  "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": [
        {
          "text": "Hvað ætlarðu að gera í þessu? Veitiggi.. What are you going to do about this? Dunno.."
        }
      ],
      "glosses": [
        "I don't know, dunno"
      ],
      "id": "en-veitiggi-is-contraction-aU1xAVqE",
      "links": [
        [
          "I don't know",
          "I don't know"
        ],
        [
          "dunno",
          "dunno"
        ]
      ],
      "raw_glosses": [
        "(slang) I don't know, dunno"
      ],
      "synonyms": [
        {
          "word": "veiteggi"
        }
      ],
      "tags": [
        "contraction",
        "slang"
      ]
    }
  ],
  "word": "veitiggi"
}

{
  "etymology_text": "From ég veit (I know) + ekki (not).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "contractions"
      },
      "expansion": "veitiggi",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "contraction",
  "senses": [
    {
      "categories": [
        "Icelandic contractions",
        "Icelandic entries with incorrect language header",
        "Icelandic non-lemma forms",
        "Icelandic slang",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Hvað ætlarðu að gera í þessu? Veitiggi.. What are you going to do about this? Dunno.."
        }
      ],
      "glosses": [
        "I don't know, dunno"
      ],
      "links": [
        [
          "I don't know",
          "I don't know"
        ],
        [
          "dunno",
          "dunno"
        ]
      ],
      "raw_glosses": [
        "(slang) I don't know, dunno"
      ],
      "tags": [
        "contraction",
        "slang"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "veiteggi"
    }
  ],
  "word": "veitiggi"
}