"imphm" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "imphm",
      "name": "en-interj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mhm"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Scottish English",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1931, Dorothy L. Sayers, “Chapter VIII: Gowan”, in The Five Red Herrings, London: Victor Gollancz Ltd",
          "text": "“A good girl,” said the butler, as Betty ran out, “but slow in the uptake, if you understand me.”“Imph’m,” said Inspector Macpherson.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Scotland form of mhm"
      ],
      "id": "en-imphm-en-intj-WLAZh7g6",
      "links": [
        [
          "mhm",
          "mhm#English"
        ]
      ],
      "synonyms": [
        {
          "word": "imph'm"
        }
      ],
      "tags": [
        "Scotland",
        "alt-of"
      ]
    }
  ],
  "word": "imphm"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "imphm",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mhm"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English terms with quotations",
        "Scottish English"
      ],
      "examples": [
        {
          "ref": "1931, Dorothy L. Sayers, “Chapter VIII: Gowan”, in The Five Red Herrings, London: Victor Gollancz Ltd",
          "text": "“A good girl,” said the butler, as Betty ran out, “but slow in the uptake, if you understand me.”“Imph’m,” said Inspector Macpherson.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Scotland form of mhm"
      ],
      "links": [
        [
          "mhm",
          "mhm#English"
        ]
      ],
      "tags": [
        "Scotland",
        "alt-of"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "imph'm"
    }
  ],
  "word": "imphm"
}