"smell up" meaning in English

{
  "forms": [
    {
      "form": "smells up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "smelling up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "smelled up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smelled up",
      "tags": [
        "past"
      ]
    },
    {
      "form": "smelt up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smelt up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "past2": "smelt up"
      },
      "expansion": "smell up (third-person singular simple present smells up, present participle smelling up, simple past and past participle smelled up or smelt up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To fill up with an unpleasant odour."
      ],
      "id": "en-smell_up-en-verb-v6fAAMGe",
      "links": [
        [
          "odour",
          "odour"
        ]
      ],
      "raw_glosses": [
        "(informal, transitive) To fill up with an unpleasant odour."
      ],
      "tags": [
        "informal",
        "transitive"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To have an unpleasant odour."
      ],
      "id": "en-smell_up-en-verb-b5Px~6gr",
      "links": [
        [
          "odour",
          "odour"
        ]
      ],
      "raw_glosses": [
        "(informal, intransitive) To have an unpleasant odour."
      ],
      "tags": [
        "informal",
        "intransitive"
      ]
    }
  ],
  "word": "smell up"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"up\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "smells up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "smelling up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "smelled up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smelled up",
      "tags": [
        "past"
      ]
    },
    {
      "form": "smelt up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smelt up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "past2": "smelt up"
      },
      "expansion": "smell up (third-person singular simple present smells up, present participle smelling up, simple past and past participle smelled up or smelt up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English informal terms",
        "English transitive verbs"
      ],
      "glosses": [
        "To fill up with an unpleasant odour."
      ],
      "links": [
        [
          "odour",
          "odour"
        ]
      ],
      "raw_glosses": [
        "(informal, transitive) To fill up with an unpleasant odour."
      ],
      "tags": [
        "informal",
        "transitive"
      ]
    },
    {
      "categories": [
        "English informal terms",
        "English intransitive verbs"
      ],
      "glosses": [
        "To have an unpleasant odour."
      ],
      "links": [
        [
          "odour",
          "odour"
        ]
      ],
      "raw_glosses": [
        "(informal, intransitive) To have an unpleasant odour."
      ],
      "tags": [
        "informal",
        "intransitive"
      ]
    }
  ],
  "word": "smell up"
}