"nuke it from orbit" meaning in English

{
  "etymology_text": "Alteration of dialog from the 1986 movie Aliens in which Ripley (Sigourney Weaver) proposes a solution to an infestation of dangerous creatures: \"I say we take off and nuke the entire site from orbit. It's the only way to be sure.\"",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "nuke it from orbit",
      "name": "head"
    }
  ],
  "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"
        }
      ],
      "glosses": [
        "The referent of it is dangerous or undesirable and should be eliminated."
      ],
      "id": "en-nuke_it_from_orbit-en-verb-6eDQWc2O",
      "links": [
        [
          "humorous",
          "humorous"
        ]
      ],
      "raw_glosses": [
        "(informal, often humorous) The referent of it is dangerous or undesirable and should be eliminated."
      ],
      "tags": [
        "humorous",
        "informal",
        "often"
      ],
      "wikipedia": [
        "Aliens (film)",
        "Sigourney Weaver"
      ]
    }
  ],
  "word": "nuke it from orbit"
}

{
  "etymology_text": "Alteration of dialog from the 1986 movie Aliens in which Ripley (Sigourney Weaver) proposes a solution to an infestation of dangerous creatures: \"I say we take off and nuke the entire site from orbit. It's the only way to be sure.\"",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "nuke it from orbit",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English humorous terms",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrases"
      ],
      "glosses": [
        "The referent of it is dangerous or undesirable and should be eliminated."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ]
      ],
      "raw_glosses": [
        "(informal, often humorous) The referent of it is dangerous or undesirable and should be eliminated."
      ],
      "tags": [
        "humorous",
        "informal",
        "often"
      ],
      "wikipedia": [
        "Aliens (film)",
        "Sigourney Weaver"
      ]
    }
  ],
  "word": "nuke it from orbit"
}