"яйца задницу не учат" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "the balls (eggs, testicles) do not teach the butt"
      },
      "expansion": "“the balls (eggs, testicles) do not teach the butt”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "the balls (eggs, testicles) do not teach the butt"
      },
      "expansion": "Literally, “the balls (eggs, testicles) do not teach the butt”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “the balls (eggs, testicles) do not teach the butt”.",
  "forms": [
    {
      "form": "я́йца за́дницу не у́чат",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jájca zádnicu ne účat",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "proverb",
        "head": "я́йца за́дницу не у́чат"
      },
      "expansion": "я́йца за́дницу не у́чат • (jájca zádnicu ne účat)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian proverbs",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of я́йца ку́рицу не у́чат (jájca kúricu ne účat, “don't teach your grandmother to suck eggs”)"
      ],
      "id": "en-яйца_задницу_не_учат-ru-proverb-V26blsM2",
      "links": [
        [
          "я́йца ку́рицу не у́чат",
          "яйца курицу не учат#Russian"
        ],
        [
          "don't teach your grandmother to suck eggs",
          "don't teach your grandmother to suck eggs"
        ]
      ],
      "raw_glosses": [
        "(vulgar) Synonym of я́йца ку́рицу не у́чат (jájca kúricu ne účat, “don't teach your grandmother to suck eggs”)"
      ],
      "synonyms": [
        {
          "extra": "jájca kúricu ne účat, “don't teach your grandmother to suck eggs”",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "я́йца ку́рицу не у́чат"
        }
      ],
      "tags": [
        "vulgar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈjæjt͡sə ˈzadʲnʲɪt͡sʊ nʲɪ‿ˈut͡ɕɪt]"
    }
  ],
  "word": "яйца задницу не учат"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "the balls (eggs, testicles) do not teach the butt"
      },
      "expansion": "“the balls (eggs, testicles) do not teach the butt”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "the balls (eggs, testicles) do not teach the butt"
      },
      "expansion": "Literally, “the balls (eggs, testicles) do not teach the butt”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “the balls (eggs, testicles) do not teach the butt”.",
  "forms": [
    {
      "form": "я́йца за́дницу не у́чат",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jájca zádnicu ne účat",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "proverb",
        "head": "я́йца за́дницу не у́чат"
      },
      "expansion": "я́йца за́дницу не у́чат • (jájca zádnicu ne účat)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian multiword terms",
        "Russian proverbs",
        "Russian terms with IPA pronunciation",
        "Russian vulgarities"
      ],
      "glosses": [
        "Synonym of я́йца ку́рицу не у́чат (jájca kúricu ne účat, “don't teach your grandmother to suck eggs”)"
      ],
      "links": [
        [
          "я́йца ку́рицу не у́чат",
          "яйца курицу не учат#Russian"
        ],
        [
          "don't teach your grandmother to suck eggs",
          "don't teach your grandmother to suck eggs"
        ]
      ],
      "raw_glosses": [
        "(vulgar) Synonym of я́йца ку́рицу не у́чат (jájca kúricu ne účat, “don't teach your grandmother to suck eggs”)"
      ],
      "synonyms": [
        {
          "extra": "jájca kúricu ne účat, “don't teach your grandmother to suck eggs”",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "я́йца ку́рицу не у́чат"
        }
      ],
      "tags": [
        "vulgar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈjæjt͡sə ˈzadʲnʲɪt͡sʊ nʲɪ‿ˈut͡ɕɪt]"
    }
  ],
  "word": "яйца задницу не учат"
}