"buu" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "boo"
      },
      "expansion": "English boo",
      "name": "bor"
    }
  ],
  "etymology_text": "From English boo.",
  "forms": [
    {
      "form": "buu!",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interjection",
        "head": "buu!"
      },
      "expansion": "buu!",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "28 30 14 2 1 1 25 1 1",
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "29 30 14 1 0 0 25 0 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "buuata"
        }
      ],
      "glosses": [
        "boo! (disapproval in audience)"
      ],
      "id": "en-buu-fi-intj-VFiJyR6E",
      "links": [
        [
          "boo",
          "boo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbuː/"
    },
    {
      "ipa": "[ˈbuː]"
    },
    {
      "rhymes": "-uː"
    }
  ],
  "word": "buu"
}

{
  "categories": [
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "buuata"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "boo"
      },
      "expansion": "English boo",
      "name": "bor"
    }
  ],
  "etymology_text": "From English boo.",
  "forms": [
    {
      "form": "buu!",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interjection",
        "head": "buu!"
      },
      "expansion": "buu!",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Finnish 1-syllable words",
        "Finnish entries with incorrect language header",
        "Finnish interjections",
        "Finnish lemmas",
        "Finnish terms borrowed from English",
        "Finnish terms derived from English",
        "Finnish terms with IPA pronunciation",
        "Pages with 6 entries",
        "Pages with entries",
        "Rhymes:Finnish/uː",
        "Rhymes:Finnish/uː/1 syllable"
      ],
      "glosses": [
        "boo! (disapproval in audience)"
      ],
      "links": [
        [
          "boo",
          "boo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbuː/"
    },
    {
      "ipa": "[ˈbuː]"
    },
    {
      "rhymes": "-uː"
    }
  ],
  "word": "buu"
}