"GL2U" meaning in English

{
  "head_templates": [
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      "args": {
        "1": "en",
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      "expansion": "GL2U",
      "name": "head"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "good luck to you"
        }
      ],
      "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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      "examples": [
        {
          "ref": "2003 November 15, DaveG, “Re: Receptacle boxes stick out too far”, in alt.home.repair (Usenet)",
          "text": "These things are almost indestructable. The trick of the trade would be to make sure you took your wall thickness into account when installing the boxes. It's a bit easier to work if the box is a bit too deep. GL2U.",
          "type": "quotation"
        },
        {
          "ref": "2015, William Shakespeare, Brett Wright, YOLO Juliet, New York, NY: Random House, page unknown",
          "text": "Romeo\nYou guys go ahead. I'm gonna sit this one out. GL2U.\nBesides, I don't think this is such a good idea. 😟",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Initialism of good luck to you."
      ],
      "id": "en-GL2U-en-phrase-cDXZGQIP",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "text messaging",
          "text messaging"
        ],
        [
          "good luck",
          "good luck#English"
        ],
        [
          "you",
          "you#English"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, text messaging) Initialism of good luck to you."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "GL2U"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "GL2U",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "good luck to you"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English initialisms",
        "English internet slang",
        "English lemmas",
        "English phrases",
        "English terms spelled with numbers",
        "English terms with quotations",
        "English text messaging slang"
      ],
      "examples": [
        {
          "ref": "2003 November 15, DaveG, “Re: Receptacle boxes stick out too far”, in alt.home.repair (Usenet)",
          "text": "These things are almost indestructable. The trick of the trade would be to make sure you took your wall thickness into account when installing the boxes. It's a bit easier to work if the box is a bit too deep. GL2U.",
          "type": "quotation"
        },
        {
          "ref": "2015, William Shakespeare, Brett Wright, YOLO Juliet, New York, NY: Random House, page unknown",
          "text": "Romeo\nYou guys go ahead. I'm gonna sit this one out. GL2U.\nBesides, I don't think this is such a good idea. 😟",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Initialism of good luck to you."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "text messaging",
          "text messaging"
        ],
        [
          "good luck",
          "good luck#English"
        ],
        [
          "you",
          "you#English"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, text messaging) Initialism of good luck to you."
      ],
      "tags": [
        "Internet",
        "abbreviation",
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        "initialism"
      ]
    }
  ],
  "word": "GL2U"
}