"wind-up merchant" meaning in English

{
  "forms": [
    {
      "form": "wind-up merchants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wind-up merchant (plural wind-up merchants)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2010, \"The Gig and the Girlfriend,\" episode 2 of series 3 of The Inbetweeners",
          "text": "Jay: He's such a wind-up merchant."
        }
      ],
      "glosses": [
        "One who enjoys winding others up in the sense of making fun of them or playing practical jokes."
      ],
      "id": "en-wind-up_merchant-en-noun-23o8gbfe",
      "links": [
        [
          "winding others up",
          "wind up"
        ],
        [
          "practical joke",
          "practical joke"
        ]
      ],
      "raw_glosses": [
        "(UK, colloquial) One who enjoys winding others up in the sense of making fun of them or playing practical jokes."
      ],
      "tags": [
        "UK",
        "colloquial"
      ]
    }
  ],
  "word": "wind-up merchant"
}

{
  "forms": [
    {
      "form": "wind-up merchants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wind-up merchant (plural wind-up merchants)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English colloquialisms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "examples": [
        {
          "ref": "2010, \"The Gig and the Girlfriend,\" episode 2 of series 3 of The Inbetweeners",
          "text": "Jay: He's such a wind-up merchant."
        }
      ],
      "glosses": [
        "One who enjoys winding others up in the sense of making fun of them or playing practical jokes."
      ],
      "links": [
        [
          "winding others up",
          "wind up"
        ],
        [
          "practical joke",
          "practical joke"
        ]
      ],
      "raw_glosses": [
        "(UK, colloquial) One who enjoys winding others up in the sense of making fun of them or playing practical jokes."
      ],
      "tags": [
        "UK",
        "colloquial"
      ]
    }
  ],
  "word": "wind-up merchant"
}