"bumpety" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bump"
      },
      "expansion": "bump",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "clickety"
      },
      "expansion": "clickety",
      "name": "m"
    }
  ],
  "etymology_text": "Imitative, from bump. Compare clickety.",
  "head_templates": [
    {
      "args": {},
      "expansion": "bumpety",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I dropped the cup and it fell bumpety-bump down the stairs."
        }
      ],
      "glosses": [
        "A bumping sound suggesting a jolting motion."
      ],
      "id": "en-bumpety-en-intj-FShmDcnW",
      "links": [
        [
          "bump",
          "bump"
        ]
      ],
      "related": [
        {
          "word": "clackety"
        },
        {
          "word": "clickety"
        }
      ]
    }
  ],
  "word": "bumpety"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bump"
      },
      "expansion": "bump",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "clickety"
      },
      "expansion": "clickety",
      "name": "m"
    }
  ],
  "etymology_text": "Imitative, from bump. Compare clickety.",
  "head_templates": [
    {
      "args": {},
      "expansion": "bumpety",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "related": [
    {
      "word": "clackety"
    },
    {
      "word": "clickety"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas"
      ],
      "examples": [
        {
          "text": "I dropped the cup and it fell bumpety-bump down the stairs."
        }
      ],
      "glosses": [
        "A bumping sound suggesting a jolting motion."
      ],
      "links": [
        [
          "bump",
          "bump"
        ]
      ]
    }
  ],
  "word": "bumpety"
}