"once you go black" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "once you go black, you never go back"
      },
      "expansion": "Clipping of once you go black, you never go back",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of once you go black, you never go back.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "once you go black",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
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          "source": "w"
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          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Racism",
          "orig": "en:Racism",
          "parents": [
            "Forms of discrimination",
            "Discrimination",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sex",
          "orig": "en:Sex",
          "parents": [
            "All topics",
            "Reproduction",
            "Fundamental",
            "Life",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009, Carleen Brice, Children of the Waters: A Novel, page 78",
          "text": "Is it true what they say about once you go black . . . .",
          "type": "quotation"
        },
        {
          "ref": "2014, Sam Leonard, Messenger from God: A Story of Fate and Faith, page 183",
          "text": "“What did I say about once you go black?” “Lila, if it was just sex I could understand...”",
          "type": "quotation"
        },
        {
          "ref": "2020, Angel Ayers, The Throwaways, page 15",
          "text": "He thought of the way she giggled when he told her, “You know what happens once you go black, don't you?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Once a person of another race has a sexual relationship with a black person, implying that they will not return to having sexual relationships with members of the former race."
      ],
      "id": "en-once_you_go_black-en-phrase-iO2DMbR7",
      "raw_glosses": [
        "(informal) Once a person of another race has a sexual relationship with a black person, implying that they will not return to having sexual relationships with members of the former race."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "once you go black"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "once you go black, you never go back"
      },
      "expansion": "Clipping of once you go black, you never go back",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of once you go black, you never go back.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "once you go black",
      "name": "head"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English clippings",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Racism",
        "en:Sex"
      ],
      "examples": [
        {
          "ref": "2009, Carleen Brice, Children of the Waters: A Novel, page 78",
          "text": "Is it true what they say about once you go black . . . .",
          "type": "quotation"
        },
        {
          "ref": "2014, Sam Leonard, Messenger from God: A Story of Fate and Faith, page 183",
          "text": "“What did I say about once you go black?” “Lila, if it was just sex I could understand...”",
          "type": "quotation"
        },
        {
          "ref": "2020, Angel Ayers, The Throwaways, page 15",
          "text": "He thought of the way she giggled when he told her, “You know what happens once you go black, don't you?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Once a person of another race has a sexual relationship with a black person, implying that they will not return to having sexual relationships with members of the former race."
      ],
      "raw_glosses": [
        "(informal) Once a person of another race has a sexual relationship with a black person, implying that they will not return to having sexual relationships with members of the former race."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "once you go black"
}