"GFU" meaning in English

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      "expansion": "GFU",
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  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "good for you"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
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          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of good for you."
      ],
      "id": "en-GFU-en-intj-fuvaPBzn",
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        [
          "Internet",
          "Internet"
        ],
        [
          "good for you",
          "good for you#English"
        ]
      ],
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        "(Internet) Initialism of good for you."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "GFU"
}

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      "args": {},
      "expansion": "GFU",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "good for you"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English initialisms",
        "English interjections",
        "English lemmas",
        "en:Internet"
      ],
      "glosses": [
        "Initialism of good for you."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "good for you",
          "good for you#English"
        ]
      ],
      "raw_glosses": [
        "(Internet) Initialism of good for you."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "GFU"
}