"you knows it" meaning in English

{
  "etymology_text": "This phrase was popularised by The GLC from Newport, Wales, but has had currency in US Afro-American vernacular English and possibly elsewhere since no later than the 1960s.",
  "head_templates": [
    {
      "args": {},
      "expansion": "you knows it",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English responses",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English sentences",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "What he did to her was wrong. —You knows it, sister!",
          "type": "example"
        },
        {
          "ref": "1861, Frederick Law Olmsted, The Cotton Kingdom: A Traveller's Observations on Cotton and Slavery, page 187",
          "text": "Mose would ha rallied, ef eed a been in our ward — ha ! ha ! ha ! — you knows it, Mass Richard !",
          "type": "quotation"
        },
        {
          "ref": "1984, Brian Richard Mori, Dreams of Flight, page 20",
          "text": "Buster: (impressed) You'se a cool dude, Butch. / Butch: Hey, you knows it, baby.",
          "type": "quotation"
        },
        {
          "ref": "2002, Lorian Hemingway, A World Turned Over: A Killer Tornado and the Lives It Changed Forever, page 112",
          "text": "We welcome you, you knows it. Didn't even need to ask, but it fine all right you did.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Indicates agreement, approval, encouragement."
      ],
      "id": "en-you_knows_it-en-intj-EW0rs2eF",
      "raw_glosses": [
        "(idiomatic, dialect, slang) Indicates agreement, approval, encouragement."
      ],
      "related": [
        {
          "word": "you know it"
        }
      ],
      "tags": [
        "dialectal",
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-you knows it.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/En-au-you_knows_it.ogg/En-au-you_knows_it.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8d/En-au-you_knows_it.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "you knows it"
}

{
  "etymology_text": "This phrase was popularised by The GLC from Newport, Wales, but has had currency in US Afro-American vernacular English and possibly elsewhere since no later than the 1960s.",
  "head_templates": [
    {
      "args": {},
      "expansion": "you knows it",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "related": [
    {
      "word": "you know it"
    }
  ],
  "senses": [
    {
      "categories": [
        "English dialectal terms",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English idioms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English responses",
        "English sentences",
        "English slang",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English terms with usage examples",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "text": "What he did to her was wrong. —You knows it, sister!",
          "type": "example"
        },
        {
          "ref": "1861, Frederick Law Olmsted, The Cotton Kingdom: A Traveller's Observations on Cotton and Slavery, page 187",
          "text": "Mose would ha rallied, ef eed a been in our ward — ha ! ha ! ha ! — you knows it, Mass Richard !",
          "type": "quotation"
        },
        {
          "ref": "1984, Brian Richard Mori, Dreams of Flight, page 20",
          "text": "Buster: (impressed) You'se a cool dude, Butch. / Butch: Hey, you knows it, baby.",
          "type": "quotation"
        },
        {
          "ref": "2002, Lorian Hemingway, A World Turned Over: A Killer Tornado and the Lives It Changed Forever, page 112",
          "text": "We welcome you, you knows it. Didn't even need to ask, but it fine all right you did.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Indicates agreement, approval, encouragement."
      ],
      "raw_glosses": [
        "(idiomatic, dialect, slang) Indicates agreement, approval, encouragement."
      ],
      "tags": [
        "dialectal",
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-you knows it.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/En-au-you_knows_it.ogg/En-au-you_knows_it.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8d/En-au-you_knows_it.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "you knows it"
}