"ttu" meaning in Français

{
  "anagrams": [
    {
      "word": "tut"
    },
    {
      "word": "tût"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Abréviations en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Interjections en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Abréviation) De à toutes fins utiles."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "intj",
  "pos_title": "Interjection",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de l’Internet",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Très très urgent."
      ],
      "id": "fr-ttu-fr-intj-GpUo5MxM",
      "raw_tags": [
        "Internet"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "TTU"
    }
  ],
  "word": "ttu"
}

{
  "anagrams": [
    {
      "word": "tut"
    },
    {
      "word": "tût"
    }
  ],
  "categories": [
    "Abréviations en français",
    "Interjections en français",
    "Lemmes en français",
    "français"
  ],
  "etymology_texts": [
    "(Abréviation) De à toutes fins utiles."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "intj",
  "pos_title": "Interjection",
  "senses": [
    {
      "categories": [
        "Lexique en français de l’Internet",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Très très urgent."
      ],
      "raw_tags": [
        "Internet"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "TTU"
    }
  ],
  "word": "ttu"
}