"P U" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "es",
        "3": "fu"
      },
      "expansion": "Spanish fu",
      "name": "uder"
    },
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "puer",
        "4": "",
        "5": "to stink"
      },
      "expansion": "French puer (“to stink”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Possibly from Spanish fu, an interjection indicating disgust, or from French puer (“to stink”)",
  "head_templates": [
    {
      "args": {},
      "expansion": "P U",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English euphemisms",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "What is that awful smell? P U!"
        }
      ],
      "glosses": [
        "An interjection in response to smelling an unpleasant scent; an exaggerated pronunciation of pew."
      ],
      "id": "en-P_U-en-intj-DUlybPsf",
      "links": [
        [
          "smell",
          "smell#English"
        ],
        [
          "pew",
          "pew#English"
        ]
      ],
      "raw_glosses": [
        "(euphemistic) An interjection in response to smelling an unpleasant scent; an exaggerated pronunciation of pew."
      ],
      "synonyms": [
        {
          "word": "P.U."
        },
        {
          "word": "P. U."
        },
        {
          "word": "PU"
        },
        {
          "word": "peeyoo"
        },
        {
          "word": "pee-ew"
        },
        {
          "word": "pee-yew"
        },
        {
          "word": "peeyew"
        }
      ],
      "tags": [
        "euphemistic"
      ],
      "translations": [
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "response to an unpleasant scent",
          "word": "fu"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "response to an unpleasant scent",
          "word": "fuj"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "response to an unpleasant scent",
          "word": "fe"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "fu",
          "sense": "response to an unpleasant scent",
          "word": "фу!"
        }
      ]
    }
  ],
  "word": "P U"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "es",
        "3": "fu"
      },
      "expansion": "Spanish fu",
      "name": "uder"
    },
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "puer",
        "4": "",
        "5": "to stink"
      },
      "expansion": "French puer (“to stink”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Possibly from Spanish fu, an interjection indicating disgust, or from French puer (“to stink”)",
  "head_templates": [
    {
      "args": {},
      "expansion": "P U",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English euphemisms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms derived from French",
        "English terms derived from Spanish",
        "English undefined derivations"
      ],
      "examples": [
        {
          "text": "What is that awful smell? P U!"
        }
      ],
      "glosses": [
        "An interjection in response to smelling an unpleasant scent; an exaggerated pronunciation of pew."
      ],
      "links": [
        [
          "smell",
          "smell#English"
        ],
        [
          "pew",
          "pew#English"
        ]
      ],
      "raw_glosses": [
        "(euphemistic) An interjection in response to smelling an unpleasant scent; an exaggerated pronunciation of pew."
      ],
      "tags": [
        "euphemistic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "P.U."
    },
    {
      "word": "P. U."
    },
    {
      "word": "PU"
    },
    {
      "word": "peeyoo"
    },
    {
      "word": "pee-ew"
    },
    {
      "word": "pee-yew"
    },
    {
      "word": "peeyew"
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "response to an unpleasant scent",
      "word": "fu"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "response to an unpleasant scent",
      "word": "fuj"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "response to an unpleasant scent",
      "word": "fe"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "fu",
      "sense": "response to an unpleasant scent",
      "word": "фу!"
    }
  ],
  "word": "P U"
}