"melt up" meaning in English

{
  "forms": [
    {
      "form": "melts up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "melting up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "melted up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "melted up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "melt up (third-person singular simple present melts up, present participle melting up, simple past and past participle melted up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 phrasal verbs with particle (up)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Of the price of a security, to increase to an unexpected degree."
      ],
      "id": "en-melt_up-en-verb-HBHAn26g",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "security",
          "security"
        ]
      ],
      "raw_glosses": [
        "(finance) Of the price of a security, to increase to an unexpected degree."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "melt up"
}

{
  "forms": [
    {
      "form": "melts up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "melting up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "melted up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "melted up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "melt up (third-person singular simple present melts up, present participle melting up, simple past and past participle melted up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (up)",
        "English verbs",
        "en:Finance"
      ],
      "glosses": [
        "Of the price of a security, to increase to an unexpected degree."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "security",
          "security"
        ]
      ],
      "raw_glosses": [
        "(finance) Of the price of a security, to increase to an unexpected degree."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "melt up"
}