"pull the other one, it's got bells on" meaning in English

{
  "etymology_text": "As an extension of the phrase pull someone's leg—now that you've pulled one leg, pull the other one.",
  "forms": [
    {
      "form": "pull the other one",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "pull the other one, it's got brass bells on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "pull the other one, it's got bells on",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English imperative sentences",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English responses",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              32,
              69
            ]
          ],
          "text": "Is he going to study integrals? Pull the other one, it's got bells on—he can't even do basic multiplication.",
          "type": "example"
        }
      ],
      "glosses": [
        "Expresses disbelief."
      ],
      "id": "en-pull_the_other_one,_it's_got_bells_on-en-phrase-VZ8g16l1",
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "disbelief",
          "disbelief#English"
        ]
      ],
      "raw_glosses": [
        "(UK, idiomatic, humorous) Expresses disbelief."
      ],
      "related": [
        {
          "word": "pulling my leg"
        },
        {
          "word": "fool me once"
        },
        {
          "word": "pull my finger"
        },
        {
          "word": "with bells on"
        }
      ],
      "synonyms": [
        {
          "word": "pull the other leg"
        },
        {
          "word": "bullshit"
        }
      ],
      "tags": [
        "UK",
        "humorous",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-pull the other one, it's got bells on.oga",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ce/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/ce/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga"
    }
  ],
  "word": "pull the other one, it's got bells on"
}

{
  "etymology_text": "As an extension of the phrase pull someone's leg—now that you've pulled one leg, pull the other one.",
  "forms": [
    {
      "form": "pull the other one",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "pull the other one, it's got brass bells on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "pull the other one, it's got bells on",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "pulling my leg"
    },
    {
      "word": "fool me once"
    },
    {
      "word": "pull my finger"
    },
    {
      "word": "with bells on"
    }
  ],
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English humorous terms",
        "English idioms",
        "English imperative sentences",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English responses",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              32,
              69
            ]
          ],
          "text": "Is he going to study integrals? Pull the other one, it's got bells on—he can't even do basic multiplication.",
          "type": "example"
        }
      ],
      "glosses": [
        "Expresses disbelief."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "disbelief",
          "disbelief#English"
        ]
      ],
      "raw_glosses": [
        "(UK, idiomatic, humorous) Expresses disbelief."
      ],
      "tags": [
        "UK",
        "humorous",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-pull the other one, it's got bells on.oga",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ce/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/ce/En-us-pull_the_other_one%2C_it%27s_got_bells_on.oga"
    }
  ],
  "synonyms": [
    {
      "word": "pull the other leg"
    },
    {
      "word": "bullshit"
    }
  ],
  "word": "pull the other one, it's got bells on"
}