"have a cob on" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "en",
        "2": "cob",
        "t": "male swan"
      },
      "expansion": "cob (“male swan”)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "have a corncob up one's arse",
        "t": "to be ill-tempered"
      },
      "expansion": "have a corncob up one's arse (“to be ill-tempered”)",
      "name": "m"
    }
  ],
  "etymology_text": "Unknown. Perhaps from cob (“male swan”), noted for its ill-temper. Compare have a corncob up one's arse (“to be ill-tempered”).",
  "forms": [
    {
      "form": "has a cob on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "having a cob on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "had a cob on",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "had a cob on",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "have<has,,had> a cob on"
      },
      "expansion": "have a cob on (third-person singular simple present has a cob on, present participle having a cob on, simple past and past participle had a cob on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Liverpudlian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Northern England English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "to be in a bad mood; be grumpy"
      ],
      "id": "en-have_a_cob_on-en-verb-gBOkGWbW",
      "links": [
        [
          "bad",
          "bad"
        ],
        [
          "mood",
          "mood"
        ],
        [
          "grumpy",
          "grumpy"
        ]
      ],
      "qualifier": "Liverpool",
      "raw_glosses": [
        "(Northern England, Liverpool) to be in a bad mood; be grumpy"
      ],
      "synonyms": [
        {
          "word": "have got a cob on"
        }
      ],
      "tags": [
        "Northern-England"
      ]
    }
  ],
  "word": "have a cob on"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "en",
        "2": "cob",
        "t": "male swan"
      },
      "expansion": "cob (“male swan”)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "have a corncob up one's arse",
        "t": "to be ill-tempered"
      },
      "expansion": "have a corncob up one's arse (“to be ill-tempered”)",
      "name": "m"
    }
  ],
  "etymology_text": "Unknown. Perhaps from cob (“male swan”), noted for its ill-temper. Compare have a corncob up one's arse (“to be ill-tempered”).",
  "forms": [
    {
      "form": "has a cob on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "having a cob on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "had a cob on",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "had a cob on",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "have<has,,had> a cob on"
      },
      "expansion": "have a cob on (third-person singular simple present has a cob on, present participle having a cob on, simple past and past participle had a cob on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with unknown etymologies",
        "English verbs",
        "Liverpudlian English",
        "Northern England English"
      ],
      "glosses": [
        "to be in a bad mood; be grumpy"
      ],
      "links": [
        [
          "bad",
          "bad"
        ],
        [
          "mood",
          "mood"
        ],
        [
          "grumpy",
          "grumpy"
        ]
      ],
      "qualifier": "Liverpool",
      "raw_glosses": [
        "(Northern England, Liverpool) to be in a bad mood; be grumpy"
      ],
      "tags": [
        "Northern-England"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "have got a cob on"
    }
  ],
  "word": "have a cob on"
}