"skulling" meaning in English

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      "expansion": "skulling",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "examples": [
        {
          "ref": "1965, Sex Jungle (narrated in Perversion for Profit)",
          "text": "Maybe he would die. That would mean I had murdered him. I smiled, trying the idea on for size. One of the things that always had cheesed me a little was that I had no kills to my credit. I'd been in plenty of rumbles, but somehow, I'd never cooled anyone. Well maybe now I had my first one. I couldn't feel very proud of skulling an old man, but at least I could say that I'd scored. That was a big kick."
        }
      ],
      "form_of": [
        {
          "word": "skull"
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      ],
      "glosses": [
        "present participle and gerund of skull"
      ],
      "id": "en-skulling-en-verb-XEM6QHs7",
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        [
          "skull",
          "skull#English"
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        "gerund",
        "participle",
        "present"
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  ],
  "word": "skulling"
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{
  "forms": [
    {
      "form": "skullings",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "skulling (plural skullings)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      ],
      "glosses": [
        "The act of determining the age of a young bird by measuring the degree of ossification of its skull."
      ],
      "id": "en-skulling-en-noun-uQiXRZan",
      "links": [
        [
          "ossification",
          "ossification"
        ]
      ]
    }
  ],
  "word": "skulling"
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{
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      "expansion": "skulling",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "examples": [
        {
          "ref": "1965, Sex Jungle (narrated in Perversion for Profit)",
          "text": "Maybe he would die. That would mean I had murdered him. I smiled, trying the idea on for size. One of the things that always had cheesed me a little was that I had no kills to my credit. I'd been in plenty of rumbles, but somehow, I'd never cooled anyone. Well maybe now I had my first one. I couldn't feel very proud of skulling an old man, but at least I could say that I'd scored. That was a big kick."
        }
      ],
      "form_of": [
        {
          "word": "skull"
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      ],
      "glosses": [
        "present participle and gerund of skull"
      ],
      "links": [
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          "skull",
          "skull#English"
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  "word": "skulling"
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    "Pages with entries"
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  "forms": [
    {
      "form": "skullings",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The act of determining the age of a young bird by measuring the degree of ossification of its skull."
      ],
      "links": [
        [
          "ossification",
          "ossification"
        ]
      ]
    }
  ],
  "word": "skulling"
}