"RDJ" meaning in English

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  "lang_code": "en",
  "pos": "name",
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      "glosses": [
        "Initialism of Robert Downey Jr., American actor and singer."
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  "word": "RDJ"
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      "args": {},
      "expansion": "RDJ",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "American actor and singer",
          "word": "Robert Downey Jr"
        }
      ],
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        "English entries with incorrect language header",
        "English initialisms",
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        "English links with redundant alt parameters",
        "English links with redundant wikilinks",
        "English proper nouns",
        "English uncountable nouns",
        "English words without vowels",
        "Pages with 2 entries",
        "Pages with entries",
        "en:Individuals"
      ],
      "glosses": [
        "Initialism of Robert Downey Jr., American actor and singer."
      ],
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        [
          "Robert Downey Jr.",
          "w:Robert Downey Jr."
        ]
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  "word": "RDJ"
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