"펄쩍" meaning in Korean

{
  "categories": [
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      "_dis": "0 0",
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  ],
  "forms": [
    {
      "form": "peoljjeok",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "펄쩍 • (peoljjeok)",
      "name": "ko-adv"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "adv",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "bold_roman_offsets": [
            [
              0,
              9
            ]
          ],
          "bold_text_offsets": [
            [
              0,
              2
            ]
          ],
          "english": "to jump up",
          "roman": "peoljjeok ttwida",
          "text": "펄쩍 뛰다",
          "type": "example"
        }
      ],
      "glosses": [
        "suddenly, abruptly"
      ],
      "id": "en-펄쩍-ko-adv-N3XuirJY",
      "links": [
        [
          "suddenly",
          "suddenly"
        ],
        [
          "abruptly",
          "abruptly"
        ]
      ]
    },
    {
      "glosses": [
        "fast"
      ],
      "id": "en-펄쩍-ko-adv-EV3DYG-~",
      "links": [
        [
          "fast",
          "fast"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰʌ̹ʎt͡ɕ͈ʌ̹k̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "펄쩍"
    },
    {
      "other": "[펄쩍]"
    }
  ],
  "word": "펄쩍"
}

{
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    "Korean adverbs",
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    "Pages with entries"
  ],
  "forms": [
    {
      "form": "peoljjeok",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "펄쩍 • (peoljjeok)",
      "name": "ko-adv"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "adv",
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      "examples": [
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          "bold_text_offsets": [
            [
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            ]
          ],
          "english": "to jump up",
          "roman": "peoljjeok ttwida",
          "text": "펄쩍 뛰다",
          "type": "example"
        }
      ],
      "glosses": [
        "suddenly, abruptly"
      ],
      "links": [
        [
          "suddenly",
          "suddenly"
        ],
        [
          "abruptly",
          "abruptly"
        ]
      ]
    },
    {
      "glosses": [
        "fast"
      ],
      "links": [
        [
          "fast",
          "fast"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰʌ̹ʎt͡ɕ͈ʌ̹k̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "펄쩍"
    },
    {
      "other": "[펄쩍]"
    }
  ],
  "word": "펄쩍"
}