"sorry, not sorry" meaning in English

{
  "forms": [
    {
      "form": "sorry not sorry",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "sorry-not-sorry",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "sorry, not sorry",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English cognate expressions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English reduplications",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, \"Pirate Rants\", The East Carolinian (East Carolina University), Volume 87, Issue 144, 29 November 2012, page 83",
          "text": "I can't keep sleeping with you if we can't even cuddle afterwards. Sorry not sorry."
        },
        {
          "ref": "2013, Stephanie Schoch, \"Getting a PhD in teaching doesn't make you a teacher\", Grand Valley Lanthorn (Grand Valley State University), Volume 47, Number 41, 4 February 2013, page A4",
          "text": "Sorry not sorry, but a PhD doesn't mean that someone is truly qualified to teach."
        },
        {
          "ref": "2014 February, Paul Michael Armstrong, “Ear Candy”, in Gag, volume 1, number 3, page 66:",
          "text": "At least the whole album is consistent. It may be consistently bad, but it's still consistent. Sorry, not sorry.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to sarcastically express a lack of guilt over an action or statement."
      ],
      "id": "en-sorry,_not_sorry-en-phrase-h5Y8hv7n",
      "links": [
        [
          "guilt",
          "guilt#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Used to sarcastically express a lack of guilt over an action or statement."
      ],
      "related": [
        {
          "word": "fauxpology"
        },
        {
          "word": "nonapology"
        },
        {
          "word": "notpology"
        }
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "sorry, not sorry"
}

{
  "forms": [
    {
      "form": "sorry not sorry",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "sorry-not-sorry",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "sorry, not sorry",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "fauxpology"
    },
    {
      "word": "nonapology"
    },
    {
      "word": "notpology"
    }
  ],
  "senses": [
    {
      "categories": [
        "English cognate expressions",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English reduplications",
        "English sarcastic terms",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2012, \"Pirate Rants\", The East Carolinian (East Carolina University), Volume 87, Issue 144, 29 November 2012, page 83",
          "text": "I can't keep sleeping with you if we can't even cuddle afterwards. Sorry not sorry."
        },
        {
          "ref": "2013, Stephanie Schoch, \"Getting a PhD in teaching doesn't make you a teacher\", Grand Valley Lanthorn (Grand Valley State University), Volume 47, Number 41, 4 February 2013, page A4",
          "text": "Sorry not sorry, but a PhD doesn't mean that someone is truly qualified to teach."
        },
        {
          "ref": "2014 February, Paul Michael Armstrong, “Ear Candy”, in Gag, volume 1, number 3, page 66:",
          "text": "At least the whole album is consistent. It may be consistently bad, but it's still consistent. Sorry, not sorry.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to sarcastically express a lack of guilt over an action or statement."
      ],
      "links": [
        [
          "guilt",
          "guilt#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Used to sarcastically express a lack of guilt over an action or statement."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "sorry, not sorry"
}