"fu" meaning in Spanish

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "ni fu ni fa"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "title": "imitative"
      },
      "expansion": "imitative",
      "name": "onomatopoeic"
    },
    {
      "args": {
        "1": "en",
        "2": "phooey",
        "3": "phooey!"
      },
      "expansion": "English phooey!",
      "name": "cog"
    }
  ],
  "etymology_text": "Of imitative origin, similar to English phooey!.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "interjection"
      },
      "expansion": "fu",
      "name": "head"
    }
  ],
  "hyphenation": [
    "fu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "66 34",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Spanish onomatopoeias",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An indication of disgust"
      ],
      "id": "en-fu-es-intj-Y-hUWw6L"
    },
    {
      "glosses": [
        "the hissing of a cat"
      ],
      "id": "en-fu-es-intj-iZIxEzEg",
      "links": [
        [
          "hiss",
          "hiss"
        ],
        [
          "cat",
          "cat"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfu/"
    },
    {
      "ipa": "[ˈfu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "fu"
}

{
  "categories": [
    "Rhymes:Spanish/u",
    "Rhymes:Spanish/u/1 syllable",
    "Spanish 1-syllable words",
    "Spanish entries with incorrect language header",
    "Spanish interjections",
    "Spanish lemmas",
    "Spanish onomatopoeias",
    "Spanish terms with IPA pronunciation"
  ],
  "derived": [
    {
      "word": "ni fu ni fa"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "title": "imitative"
      },
      "expansion": "imitative",
      "name": "onomatopoeic"
    },
    {
      "args": {
        "1": "en",
        "2": "phooey",
        "3": "phooey!"
      },
      "expansion": "English phooey!",
      "name": "cog"
    }
  ],
  "etymology_text": "Of imitative origin, similar to English phooey!.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "interjection"
      },
      "expansion": "fu",
      "name": "head"
    }
  ],
  "hyphenation": [
    "fu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "An indication of disgust"
      ]
    },
    {
      "glosses": [
        "the hissing of a cat"
      ],
      "links": [
        [
          "hiss",
          "hiss"
        ],
        [
          "cat",
          "cat"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfu/"
    },
    {
      "ipa": "[ˈfu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "fu"
}