"ちゅっ" meaning in Japanese

{
  "etymology_text": "Imitative of lips protruding. Compare Vietnamese chu which is also an onomatopoeia with the same meaning.",
  "forms": [
    {
      "form": "chu'",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "interjection"
      },
      "expansion": "ちゅっ • (chu')",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese onomatopoeias",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Representing a kissing sound."
      ],
      "id": "en-ちゅっ-ja-intj-rcq~d8JB",
      "links": [
        [
          "onomatopoeia",
          "onomatopoeia"
        ],
        [
          "kiss",
          "kiss"
        ]
      ],
      "raw_glosses": [
        "(onomatopoeia) Representing a kissing sound."
      ],
      "tags": [
        "onomatopoeic"
      ]
    }
  ],
  "word": "ちゅっ"
}

{
  "etymology_text": "Imitative of lips protruding. Compare Vietnamese chu which is also an onomatopoeia with the same meaning.",
  "forms": [
    {
      "form": "chu'",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "interjection"
      },
      "expansion": "ちゅっ • (chu')",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese hiragana",
        "Japanese interjections",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese onomatopoeias",
        "Japanese terms with redundant sortkeys"
      ],
      "glosses": [
        "Representing a kissing sound."
      ],
      "links": [
        [
          "onomatopoeia",
          "onomatopoeia"
        ],
        [
          "kiss",
          "kiss"
        ]
      ],
      "raw_glosses": [
        "(onomatopoeia) Representing a kissing sound."
      ],
      "tags": [
        "onomatopoeic"
      ]
    }
  ],
  "word": "ちゅっ"
}