"we been knew" meaning in English

{
  "etymology_text": "Originates from African-American Vernacular English. Its first use dates back to the late 90s.",
  "forms": [
    {
      "form": "WBK",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "wbk",
      "tags": [
        "alternative"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a response to a statement or notion that is obvious or already widely known"
      ],
      "id": "en-we_been_knew-en-intj-FY-0inDW",
      "links": [
        [
          "response",
          "response#English"
        ],
        [
          "statement",
          "statement#English"
        ],
        [
          "notion",
          "notion#English"
        ]
      ],
      "raw_glosses": [
        "(slang, idiomatic) a response to a statement or notion that is obvious or already widely known"
      ],
      "related": [
        {
          "word": "there is nothing new under the sun"
        }
      ],
      "synonyms": [
        {
          "word": "duh"
        }
      ],
      "tags": [
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌwi bɪn ˈn(j)u/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "we been knew"
}

{
  "etymology_text": "Originates from African-American Vernacular English. Its first use dates back to the late 90s.",
  "forms": [
    {
      "form": "WBK",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "wbk",
      "tags": [
        "alternative"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "related": [
    {
      "word": "there is nothing new under the sun"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "a response to a statement or notion that is obvious or already widely known"
      ],
      "links": [
        [
          "response",
          "response#English"
        ],
        [
          "statement",
          "statement#English"
        ],
        [
          "notion",
          "notion#English"
        ]
      ],
      "raw_glosses": [
        "(slang, idiomatic) a response to a statement or notion that is obvious or already widely known"
      ],
      "tags": [
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌwi bɪn ˈn(j)u/",
      "tags": [
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "duh"
    }
  ],
  "word": "we been knew"
}