"ah bon" meaning in French

{
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Martine: You don't look good.Thomas: I got up on the wrong side of the bed this morning.Martine: Really? Why?",
          "ref": "2011, Guillaume Gest, Homo, hétéro ou bisexuel ? [Gay, straight, or bisexual?], page 19",
          "text": "Martine – Tu n’as pas l’air bien.Thomas – Je me suis levé du pied gauche ce matin.Martine – Ah bon ? Pourquoi ?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "really? for real? is that so?"
      ],
      "id": "en-ah_bon-fr-intj--CfIXaSz",
      "links": [
        [
          "really",
          "really"
        ],
        [
          "for real",
          "for real"
        ],
        [
          "is that so",
          "is that so"
        ]
      ],
      "raw_glosses": [
        "(informal) really? for real? is that so?"
      ],
      "synonyms": [
        {
          "word": "vraiment ?"
        },
        {
          "word": "sérieux ?"
        },
        {
          "word": "sérieusement ?"
        },
        {
          "word": "tiens ?"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a bɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-ah bon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/55/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/55/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "ah bon"
}

{
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Foreign word of the day archive",
        "Foreign words of the day in French",
        "French entries with incorrect language header",
        "French informal terms",
        "French interjections",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with quotations"
      ],
      "examples": [
        {
          "english": "Martine: You don't look good.Thomas: I got up on the wrong side of the bed this morning.Martine: Really? Why?",
          "ref": "2011, Guillaume Gest, Homo, hétéro ou bisexuel ? [Gay, straight, or bisexual?], page 19",
          "text": "Martine – Tu n’as pas l’air bien.Thomas – Je me suis levé du pied gauche ce matin.Martine – Ah bon ? Pourquoi ?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "really? for real? is that so?"
      ],
      "links": [
        [
          "really",
          "really"
        ],
        [
          "for real",
          "for real"
        ],
        [
          "is that so",
          "is that so"
        ]
      ],
      "raw_glosses": [
        "(informal) really? for real? is that so?"
      ],
      "synonyms": [
        {
          "word": "vraiment ?"
        },
        {
          "word": "sérieux ?"
        },
        {
          "word": "sérieusement ?"
        },
        {
          "word": "tiens ?"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a bɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-ah bon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/55/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/55/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav/LL-Q150_%28fra%29-LoquaxFR-ah_bon.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "ah bon"
}