"if you know, you know" meaning in English

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  "lang_code": "en",
  "pos": "phrase",
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      "examples": [
        {
          "ref": "2023 January 5, “Forget the luxury fleece”, in Financial Times:",
          "text": "“They’re very if you know, you know,” says Sam Millen-Cramer, a 28-year-old marketing specialist, who wears his £15 Mountain Warehouse zip-up with baggy pants from Margaret Howell […]",
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        {
          "ref": "2024 March 5, Gabriella Paiella, quoting Messineo, “Why ‘Anatomy of a Fall’ Became One of the Most Memed Films of the Year”, in GQ:",
          "text": "Anatomy of a Fall doesn’t fit into any of those categories,” Messineo, the YouTuber who made the dancing video to Hüller’s monologue, told me. Instead, he suggested, it has “if you know you know” appeal.",
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        "Used to signify a reference or allusion to something that is only understood by certain groups of people."
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        "(informal, humorous) Used to signify a reference or allusion to something that is only understood by certain groups of people."
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      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "Translations",
          "word": "懂的都懂"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "Translations",
          "tags": [
            "humorous",
            "informal"
          ],
          "word": "entendedores entenderão"
        }
      ]
    }
  ],
  "word": "if you know, you know"
}

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          "ref": "2023 January 5, “Forget the luxury fleece”, in Financial Times:",
          "text": "“They’re very if you know, you know,” says Sam Millen-Cramer, a 28-year-old marketing specialist, who wears his £15 Mountain Warehouse zip-up with baggy pants from Margaret Howell […]",
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        },
        {
          "ref": "2024 March 5, Gabriella Paiella, quoting Messineo, “Why ‘Anatomy of a Fall’ Became One of the Most Memed Films of the Year”, in GQ:",
          "text": "Anatomy of a Fall doesn’t fit into any of those categories,” Messineo, the YouTuber who made the dancing video to Hüller’s monologue, told me. Instead, he suggested, it has “if you know you know” appeal.",
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        "(informal, humorous) Used to signify a reference or allusion to something that is only understood by certain groups of people."
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "Translations",
      "word": "懂的都懂"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "Translations",
      "tags": [
        "humorous",
        "informal"
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      "word": "entendedores entenderão"
    }
  ],
  "word": "if you know, you know"
}