"dummy up" meaning in English

{
  "forms": [
    {
      "form": "dummies up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dummying up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dummied up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dummied up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "dummy up (third-person singular simple present dummies up, present participle dummying up, simple past and past participle dummied up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "The carpenters dummied up a set of simple props for the rehearsals.",
          "type": "example"
        }
      ],
      "glosses": [
        "To make a mock-up or prototype version of something, without some or all off its intended functionality."
      ],
      "id": "en-dummy_up-en-verb-jaUAUDp7",
      "links": [
        [
          "mock-up",
          "mock-up"
        ],
        [
          "prototype",
          "prototype"
        ],
        [
          "functionality",
          "functionality"
        ]
      ]
    },
    {
      "glosses": [
        "To make a fake version of something; to make a counterfeit."
      ],
      "id": "en-dummy_up-en-verb-tcyY1Qtc",
      "links": [
        [
          "fake",
          "fake"
        ],
        [
          "counterfeit",
          "counterfeit"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "23 20 57",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "16 13 71",
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "19 18 63",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 23 53",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 13 74",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "When he couldn't think of any more good lies, he just dummied up.",
          "type": "example"
        },
        {
          "text": "Everyone was discussing the new teacher, but when she entered the room they all dummied up.",
          "type": "example"
        }
      ],
      "glosses": [
        "To suddenly stop talking; shut up; to keep a secret; to refuse to talk."
      ],
      "id": "en-dummy_up-en-verb-BgVIuQHE",
      "links": [
        [
          "shut up",
          "shut up"
        ]
      ],
      "raw_glosses": [
        "(informal, sometimes imperative) To suddenly stop talking; shut up; to keep a secret; to refuse to talk."
      ],
      "tags": [
        "imperative",
        "informal",
        "sometimes"
      ]
    }
  ],
  "word": "dummy up"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"up\"",
    "English verbs",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "dummies up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dummying up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dummied up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dummied up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "dummy up (third-person singular simple present dummies up, present participle dummying up, simple past and past participle dummied up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The carpenters dummied up a set of simple props for the rehearsals.",
          "type": "example"
        }
      ],
      "glosses": [
        "To make a mock-up or prototype version of something, without some or all off its intended functionality."
      ],
      "links": [
        [
          "mock-up",
          "mock-up"
        ],
        [
          "prototype",
          "prototype"
        ],
        [
          "functionality",
          "functionality"
        ]
      ]
    },
    {
      "glosses": [
        "To make a fake version of something; to make a counterfeit."
      ],
      "links": [
        [
          "fake",
          "fake"
        ],
        [
          "counterfeit",
          "counterfeit"
        ]
      ]
    },
    {
      "categories": [
        "English informal terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "When he couldn't think of any more good lies, he just dummied up.",
          "type": "example"
        },
        {
          "text": "Everyone was discussing the new teacher, but when she entered the room they all dummied up.",
          "type": "example"
        }
      ],
      "glosses": [
        "To suddenly stop talking; shut up; to keep a secret; to refuse to talk."
      ],
      "links": [
        [
          "shut up",
          "shut up"
        ]
      ],
      "raw_glosses": [
        "(informal, sometimes imperative) To suddenly stop talking; shut up; to keep a secret; to refuse to talk."
      ],
      "tags": [
        "imperative",
        "informal",
        "sometimes"
      ]
    }
  ],
  "word": "dummy up"
}