"ser la polla" meaning in Spanish

{
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      "expansion": "ser la polla",
      "name": "head"
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  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Peninsular Spanish",
          "parents": [],
          "source": "w"
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          "name": "Spanish entries with incorrect language header",
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      "examples": [
        {
          "english": "We went to La Floresta, which was the shit, it was said to be the lawless town, but it was an awesome place.",
          "ref": "2017, Germán Pose, La mala fama",
          "text": "Fuimos a La Floresta, que era la polla, decían que era la ciudad sin ley, pero era un sitio cojonudo.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to be awesome, extraordinary; to be the shit; to be shit hot"
      ],
      "id": "en-ser_la_polla-es-phrase-OQzexXmL",
      "links": [
        [
          "awesome",
          "awesome"
        ],
        [
          "extraordinary",
          "extraordinary"
        ],
        [
          "the shit",
          "the shit"
        ],
        [
          "shit hot",
          "shit hot"
        ]
      ],
      "raw_glosses": [
        "(Spain, colloquial) to be awesome, extraordinary; to be the shit; to be shit hot"
      ],
      "tags": [
        "Spain",
        "colloquial"
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    }
  ],
  "word": "ser la polla"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "ser la polla",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Peninsular Spanish",
        "Quotation templates to be cleaned",
        "Spanish colloquialisms",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish phrases",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "We went to La Floresta, which was the shit, it was said to be the lawless town, but it was an awesome place.",
          "ref": "2017, Germán Pose, La mala fama",
          "text": "Fuimos a La Floresta, que era la polla, decían que era la ciudad sin ley, pero era un sitio cojonudo.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to be awesome, extraordinary; to be the shit; to be shit hot"
      ],
      "links": [
        [
          "awesome",
          "awesome"
        ],
        [
          "extraordinary",
          "extraordinary"
        ],
        [
          "the shit",
          "the shit"
        ],
        [
          "shit hot",
          "shit hot"
        ]
      ],
      "raw_glosses": [
        "(Spain, colloquial) to be awesome, extraordinary; to be the shit; to be shit hot"
      ],
      "tags": [
        "Spain",
        "colloquial"
      ]
    }
  ],
  "word": "ser la polla"
}