"fuck no" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "fuck no",
      "name": "en-interjection"
    }
  ],
  "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Would you like to meet in rendezvous? Fuck no!\nHow about go for drive thru? Fuck no! It ain’t possible!",
          "type": "example"
        }
      ],
      "glosses": [
        "Expressing firm disagreement."
      ],
      "id": "en-fuck_no-en-intj-fqpB6Tkf",
      "raw_glosses": [
        "(slang, vulgar) Expressing firm disagreement."
      ],
      "tags": [
        "slang",
        "vulgar"
      ]
    }
  ],
  "word": "fuck no"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "fuck no",
      "name": "en-interjection"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with usage examples",
        "English vulgarities",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Would you like to meet in rendezvous? Fuck no!\nHow about go for drive thru? Fuck no! It ain’t possible!",
          "type": "example"
        }
      ],
      "glosses": [
        "Expressing firm disagreement."
      ],
      "raw_glosses": [
        "(slang, vulgar) Expressing firm disagreement."
      ],
      "tags": [
        "slang",
        "vulgar"
      ]
    }
  ],
  "word": "fuck no"
}