"sharp end of one's tongue" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "sharp end of one's tongue",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Talking",
          "orig": "en:Talking",
          "parents": [
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1977, Bruce Montgomery, Edmund Crispin, The Glimpses of the Moon, page 259",
          "text": "Gave them both the sharp end of my tongue, in a way they won't forget in a hurry.",
          "type": "quotation"
        },
        {
          "ref": "2000, Roy Redgrave, Balkan Blue: Family and Military Memories, page 89",
          "text": "I crawled, wriggled, rolled and ran back into Düdenbüttel, where Borman got the sharp end of my tongue for not protecting me.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scolding delivered by one."
      ],
      "id": "en-sharp_end_of_one's_tongue-en-noun-ix4Wd6Og",
      "links": [
        [
          "scolding",
          "scolding"
        ]
      ],
      "related": [
        {
          "word": "sharp-tongued"
        }
      ]
    }
  ],
  "word": "sharp end of one's tongue"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "sharp end of one's tongue",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "sharp-tongued"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Talking"
      ],
      "examples": [
        {
          "ref": "1977, Bruce Montgomery, Edmund Crispin, The Glimpses of the Moon, page 259",
          "text": "Gave them both the sharp end of my tongue, in a way they won't forget in a hurry.",
          "type": "quotation"
        },
        {
          "ref": "2000, Roy Redgrave, Balkan Blue: Family and Military Memories, page 89",
          "text": "I crawled, wriggled, rolled and ran back into Düdenbüttel, where Borman got the sharp end of my tongue for not protecting me.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scolding delivered by one."
      ],
      "links": [
        [
          "scolding",
          "scolding"
        ]
      ]
    }
  ],
  "word": "sharp end of one's tongue"
}