"estar de coña" meaning in Spanish

{
  "forms": [
    {
      "form": "estoy de coña",
      "tags": [
        "first-person",
        "present",
        "singular"
      ]
    },
    {
      "form": "estuve de coña",
      "tags": [
        "first-person",
        "preterite",
        "singular"
      ]
    },
    {
      "form": "estado de coña",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "estar de coña (first-person singular present estoy de coña, first-person singular preterite estuve de coña, past participle estado de coña)",
      "name": "es-verb"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Peninsular Spanish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Are you kidding me?",
          "text": "¿Estás de coña?",
          "type": "example"
        }
      ],
      "glosses": [
        "to be kidding"
      ],
      "id": "en-estar_de_coña-es-verb-kxLuAmGR",
      "raw_glosses": [
        "(colloquial, Spain, idiomatic) to be kidding"
      ],
      "synonyms": [
        {
          "word": "tomar el pelo"
        },
        {
          "word": "huevear"
        }
      ],
      "tags": [
        "Spain",
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "estar de coña"
}

{
  "forms": [
    {
      "form": "estoy de coña",
      "tags": [
        "first-person",
        "present",
        "singular"
      ]
    },
    {
      "form": "estuve de coña",
      "tags": [
        "first-person",
        "preterite",
        "singular"
      ]
    },
    {
      "form": "estado de coña",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "estar de coña (first-person singular present estoy de coña, first-person singular preterite estuve de coña, past participle estado de coña)",
      "name": "es-verb"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Peninsular Spanish",
        "Spanish colloquialisms",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with usage examples",
        "Spanish verbs"
      ],
      "examples": [
        {
          "english": "Are you kidding me?",
          "text": "¿Estás de coña?",
          "type": "example"
        }
      ],
      "glosses": [
        "to be kidding"
      ],
      "raw_glosses": [
        "(colloquial, Spain, idiomatic) to be kidding"
      ],
      "synonyms": [
        {
          "word": "tomar el pelo"
        },
        {
          "word": "huevear"
        }
      ],
      "tags": [
        "Spain",
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "estar de coña"
}