"a12c4" meaning in All languages combined

{
  "etymology_text": "See à un de ces quatre.",
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "à un de ces quatre"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French number homophones",
          "parents": [
            "Number homophones",
            "Rebuses",
            "Terms spelled with numbers",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of à un de ces quatre."
      ],
      "id": "en-a12c4-fr-intj-n8fAVZ4E",
      "links": [
        [
          "text messaging",
          "text messaging"
        ],
        [
          "à un de ces quatre",
          "à un de ces quatre#French"
        ]
      ],
      "raw_glosses": [
        "(text messaging) Initialism of à un de ces quatre."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "a12c4"
}

{
  "etymology_text": "See à un de ces quatre.",
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "à un de ces quatre"
        }
      ],
      "categories": [
        "French entries with incorrect language header",
        "French initialisms",
        "French interjections",
        "French lemmas",
        "French number homophones",
        "French terms spelled with numbers",
        "French text messaging slang",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Initialism of à un de ces quatre."
      ],
      "links": [
        [
          "text messaging",
          "text messaging"
        ],
        [
          "à un de ces quatre",
          "à un de ces quatre#French"
        ]
      ],
      "raw_glosses": [
        "(text messaging) Initialism of à un de ces quatre."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "a12c4"
}