"ㅇㅇ" meaning in Korean

{
  "etymology_text": "From 응 (eung).",
  "forms": [
    {
      "form": "eung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "interjection",
        "tr": "eung"
      },
      "expansion": "ㅇㅇ • (eung)",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "Korean terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Text messaging spelling of 응 (eung, “yeah”)"
      ],
      "id": "en-ㅇㅇ-ko-intj-PGjeRoht",
      "links": [
        [
          "Text messaging",
          "text messaging"
        ],
        [
          "응",
          "응#Korean"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɯŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "응"
    },
    {
      "other": "[응]"
    }
  ],
  "word": "ㅇㅇ"
}

{
  "etymology_text": "From 응 (eung).",
  "forms": [
    {
      "form": "eung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "noun",
        "tr": "eung"
      },
      "expansion": "ㅇㅇ • (eung)",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A common nickname of anons"
      ],
      "id": "en-ㅇㅇ-ko-noun-M~0zrk51",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "anons",
          "anon#Etymology 2"
        ]
      ],
      "raw_glosses": [
        "(Internet slang) A common nickname of anons"
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɯŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "응"
    },
    {
      "other": "[응]"
    }
  ],
  "word": "ㅇㅇ"
}

{
  "categories": [
    "Korean entries with incorrect language header",
    "Korean interjections",
    "Korean lemmas",
    "Korean nouns",
    "Korean terms with IPA pronunciation",
    "Korean terms with non-redundant manual transliterations",
    "Pages with 1 entry"
  ],
  "etymology_text": "From 응 (eung).",
  "forms": [
    {
      "form": "eung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "interjection",
        "tr": "eung"
      },
      "expansion": "ㅇㅇ • (eung)",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Korean text messaging slang"
      ],
      "glosses": [
        "Text messaging spelling of 응 (eung, “yeah”)"
      ],
      "links": [
        [
          "Text messaging",
          "text messaging"
        ],
        [
          "응",
          "응#Korean"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɯŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "응"
    },
    {
      "other": "[응]"
    }
  ],
  "word": "ㅇㅇ"
}

{
  "categories": [
    "Korean entries with incorrect language header",
    "Korean interjections",
    "Korean lemmas",
    "Korean nouns",
    "Korean terms with IPA pronunciation",
    "Korean terms with non-redundant manual transliterations",
    "Pages with 1 entry"
  ],
  "etymology_text": "From 응 (eung).",
  "forms": [
    {
      "form": "eung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "noun",
        "tr": "eung"
      },
      "expansion": "ㅇㅇ • (eung)",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean internet slang"
      ],
      "glosses": [
        "A common nickname of anons"
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "anons",
          "anon#Etymology 2"
        ]
      ],
      "raw_glosses": [
        "(Internet slang) A common nickname of anons"
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɯŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "응"
    },
    {
      "other": "[응]"
    }
  ],
  "word": "ㅇㅇ"
}