"off the cuff" meaning in English

{
  "etymology_text": "Purported to be from the habit by after-dinner speakers of jotting a few notes on the cuff of the sleeve.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "off the cuff",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "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 hedges",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "adjective"
          ],
          "word": "off-the-cuff"
        }
      ],
      "examples": [
        {
          "ref": "2016 February 2, Lee Roden, “Premier League: From Pellegrini to Pep - Why the Engineer made City the ideal destination for Guardiola”, in Yahoo Sport:",
          "text": "Nor was there anything off the cuff about their insistence that Manuel Pellegrini was happy to make the name of his replacement public knowledge, echoing his sentiment that they were “not doing anything behind me” from a press conference earlier in the same day.",
          "type": "quote"
        }
      ],
      "glosses": [
        "In an off-the-cuff manner."
      ],
      "id": "en-off_the_cuff-en-prep_phrase-OcM9AQWz",
      "links": [
        [
          "off-the-cuff",
          "off-the-cuff"
        ]
      ],
      "related": [
        {
          "word": "on the cuff"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "in an off-the-cuff manner",
          "word": "aus dem Stegreif"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "in an off-the-cuff manner",
          "word": "ohne nachzudenken"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "in an off-the-cuff manner",
          "word": "aus dem Stand"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "in an off-the-cuff manner",
          "word": "aus dem Handgelenk"
        }
      ]
    }
  ],
  "word": "off the cuff"
}

{
  "derived": [
    {
      "tags": [
        "adjective"
      ],
      "word": "off-the-cuff"
    }
  ],
  "etymology_text": "Purported to be from the habit by after-dinner speakers of jotting a few notes on the cuff of the sleeve.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "off the cuff",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "on the cuff"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English hedges",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with German translations"
      ],
      "examples": [
        {
          "ref": "2016 February 2, Lee Roden, “Premier League: From Pellegrini to Pep - Why the Engineer made City the ideal destination for Guardiola”, in Yahoo Sport:",
          "text": "Nor was there anything off the cuff about their insistence that Manuel Pellegrini was happy to make the name of his replacement public knowledge, echoing his sentiment that they were “not doing anything behind me” from a press conference earlier in the same day.",
          "type": "quote"
        }
      ],
      "glosses": [
        "In an off-the-cuff manner."
      ],
      "links": [
        [
          "off-the-cuff",
          "off-the-cuff"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "in an off-the-cuff manner",
      "word": "aus dem Stegreif"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "in an off-the-cuff manner",
      "word": "ohne nachzudenken"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "in an off-the-cuff manner",
      "word": "aus dem Stand"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "in an off-the-cuff manner",
      "word": "aus dem Handgelenk"
    }
  ],
  "word": "off the cuff"
}