"vl" meaning in Vietnamese

{
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "phrases",
        "head": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "vl",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "vl",
      "name": "vi-phrase"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "vãi lồn"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Internet",
          "orig": "vi:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of vãi lồn."
      ],
      "id": "en-vl-vi-phrase-FaAVqCMj",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "vãi lồn",
          "vãi lồn#Vietnamese"
        ]
      ],
      "raw_glosses": [
        "(Internet, vulgar) Initialism of vãi lồn."
      ],
      "related": [
        {
          "word": "vcl"
        }
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism",
        "vulgar"
      ]
    }
  ],
  "word": "vl"
}

{
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "phrases",
        "head": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "vl",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "vl",
      "name": "vi-phrase"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "phrase",
  "related": [
    {
      "word": "vcl"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "vãi lồn"
        }
      ],
      "categories": [
        "Vietnamese entries with incorrect language header",
        "Vietnamese initialisms",
        "Vietnamese lemmas",
        "Vietnamese phrases",
        "Vietnamese vulgarities",
        "vi:Internet"
      ],
      "glosses": [
        "Initialism of vãi lồn."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "vãi lồn",
          "vãi lồn#Vietnamese"
        ]
      ],
      "raw_glosses": [
        "(Internet, vulgar) Initialism of vãi lồn."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism",
        "vulgar"
      ]
    }
  ],
  "word": "vl"
}