"dum i huvudet" meaning in Swedish

{
  "etymology_text": "Literally, \"stupid in the head.\"",
  "forms": [
    {
      "form": "mer dum i huvudet",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "mest dum i huvudet",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "comparative",
        "6": "mer dum i huvudet",
        "7": "superlative",
        "8": "mest dum i huvudet",
        "f2accel-form": "comparative",
        "f3accel-form": "superlative",
        "head": "",
        "sort": ""
      },
      "expansion": "dum i huvudet (comparative mer dum i huvudet, superlative mest dum i huvudet)",
      "name": "head"
    },
    {
      "args": {
        "1": "peri"
      },
      "expansion": "dum i huvudet (comparative mer dum i huvudet, superlative mest dum i huvudet)",
      "name": "sv-adj"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I should've gotten that. I'm an idiot.",
          "text": "Det där borde jag förstått. Jag är dum i huvudet.",
          "type": "example"
        },
        {
          "english": "Do they really think that will work? Are they complete idiots?",
          "text": "Tror de verkligen att det där kommer fungera? Är de helt dumma i huvudet?",
          "type": "example"
        }
      ],
      "glosses": [
        "stupid, idiotic"
      ],
      "id": "en-dum_i_huvudet-sv-adj-D5gn92tT",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "stupid",
          "stupid"
        ],
        [
          "idiotic",
          "idiotic"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, derogatory) stupid, idiotic"
      ],
      "related": [
        {
          "english": "idiot",
          "word": "dumhuvud"
        },
        {
          "english": "idiot",
          "word": "dumskalle"
        }
      ],
      "synonyms": [
        {
          "word": "dum i skallen"
        }
      ],
      "tags": [
        "derogatory",
        "idiomatic"
      ]
    }
  ],
  "word": "dum i huvudet"
}

{
  "etymology_text": "Literally, \"stupid in the head.\"",
  "forms": [
    {
      "form": "mer dum i huvudet",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "mest dum i huvudet",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "comparative",
        "6": "mer dum i huvudet",
        "7": "superlative",
        "8": "mest dum i huvudet",
        "f2accel-form": "comparative",
        "f3accel-form": "superlative",
        "head": "",
        "sort": ""
      },
      "expansion": "dum i huvudet (comparative mer dum i huvudet, superlative mest dum i huvudet)",
      "name": "head"
    },
    {
      "args": {
        "1": "peri"
      },
      "expansion": "dum i huvudet (comparative mer dum i huvudet, superlative mest dum i huvudet)",
      "name": "sv-adj"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adj",
  "related": [
    {
      "english": "idiot",
      "word": "dumhuvud"
    },
    {
      "english": "idiot",
      "word": "dumskalle"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Swedish adjectives",
        "Swedish derogatory terms",
        "Swedish entries with incorrect language header",
        "Swedish idioms",
        "Swedish lemmas",
        "Swedish multiword terms",
        "Swedish terms with usage examples"
      ],
      "examples": [
        {
          "english": "I should've gotten that. I'm an idiot.",
          "text": "Det där borde jag förstått. Jag är dum i huvudet.",
          "type": "example"
        },
        {
          "english": "Do they really think that will work? Are they complete idiots?",
          "text": "Tror de verkligen att det där kommer fungera? Är de helt dumma i huvudet?",
          "type": "example"
        }
      ],
      "glosses": [
        "stupid, idiotic"
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "stupid",
          "stupid"
        ],
        [
          "idiotic",
          "idiotic"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, derogatory) stupid, idiotic"
      ],
      "synonyms": [
        {
          "word": "dum i skallen"
        }
      ],
      "tags": [
        "derogatory",
        "idiomatic"
      ]
    }
  ],
  "word": "dum i huvudet"
}