"be a thing" meaning in English

{
  "forms": [
    {
      "form": "is a thing",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "being a thing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "was a thing",
      "tags": [
        "past"
      ]
    },
    {
      "form": "been a thing",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "be<is,,was,been> a thing"
      },
      "expansion": "be a thing (third-person singular simple present is a thing, present participle being a thing, simple past was a thing, past participle been a thing)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2014, Scott Haworth, Writing Journal: A Year in the Life of a Self-Published Author, page 36",
          "text": "So dinosaur porn is a thing now. I first learned about it on Kindleboards from a bunch of erotica writers who were very upset about the success of Christie Sims and Alara Branwen.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to exist, or to be available, widespread, possible, or a common practice"
      ],
      "id": "en-be_a_thing-en-verb-RzKJFng5",
      "links": [
        [
          "exist",
          "exist"
        ],
        [
          "available",
          "available"
        ],
        [
          "widespread",
          "widespread"
        ],
        [
          "possible",
          "possible"
        ],
        [
          "common",
          "common"
        ],
        [
          "practice",
          "practice"
        ]
      ],
      "raw_glosses": [
        "(stative, colloquial) to exist, or to be available, widespread, possible, or a common practice"
      ],
      "tags": [
        "colloquial",
        "stative"
      ]
    }
  ],
  "word": "be a thing"
}

{
  "forms": [
    {
      "form": "is a thing",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "being a thing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "was a thing",
      "tags": [
        "past"
      ]
    },
    {
      "form": "been a thing",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "be<is,,was,been> a thing"
      },
      "expansion": "be a thing (third-person singular simple present is a thing, present participle being a thing, simple past was a thing, past participle been a thing)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English stative verbs",
        "English terms with quotations",
        "English verbs",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2014, Scott Haworth, Writing Journal: A Year in the Life of a Self-Published Author, page 36",
          "text": "So dinosaur porn is a thing now. I first learned about it on Kindleboards from a bunch of erotica writers who were very upset about the success of Christie Sims and Alara Branwen.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to exist, or to be available, widespread, possible, or a common practice"
      ],
      "links": [
        [
          "exist",
          "exist"
        ],
        [
          "available",
          "available"
        ],
        [
          "widespread",
          "widespread"
        ],
        [
          "possible",
          "possible"
        ],
        [
          "common",
          "common"
        ],
        [
          "practice",
          "practice"
        ]
      ],
      "raw_glosses": [
        "(stative, colloquial) to exist, or to be available, widespread, possible, or a common practice"
      ],
      "tags": [
        "colloquial",
        "stative"
      ]
    }
  ],
  "word": "be a thing"
}