"smackhead" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "smack",
        "3": "head",
        "t1": "heroin"
      },
      "expansion": "smack (“heroin”) + -head",
      "name": "suffix"
    }
  ],
  "etymology_text": "From smack (“heroin”) + -head.",
  "forms": [
    {
      "form": "smackheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "smackhead (plural smackheads)",
      "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"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -head",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Heroin",
          "orig": "en:Heroin",
          "parents": [
            "Recreational drugs",
            "Drugs",
            "Matter",
            "Pharmacology",
            "Chemistry",
            "Nature",
            "Biochemistry",
            "Medicine",
            "Sciences",
            "All topics",
            "Biology",
            "Healthcare",
            "Fundamental",
            "Health",
            "Body"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A person who regularly uses heroin."
      ],
      "id": "en-smackhead-en-noun-WGPk~oww",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "heroin",
          "heroin"
        ]
      ],
      "raw_glosses": [
        "(UK, derogatory, slang) A person who regularly uses heroin."
      ],
      "tags": [
        "UK",
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smackhead.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/4b/En-au-smackhead.ogg/En-au-smackhead.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/4b/En-au-smackhead.ogg"
    }
  ],
  "word": "smackhead"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "smack",
        "3": "head",
        "t1": "heroin"
      },
      "expansion": "smack (“heroin”) + -head",
      "name": "suffix"
    }
  ],
  "etymology_text": "From smack (“heroin”) + -head.",
  "forms": [
    {
      "form": "smackheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "smackhead (plural smackheads)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English slang",
        "English terms suffixed with -head",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Heroin",
        "en:People"
      ],
      "glosses": [
        "A person who regularly uses heroin."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "heroin",
          "heroin"
        ]
      ],
      "raw_glosses": [
        "(UK, derogatory, slang) A person who regularly uses heroin."
      ],
      "tags": [
        "UK",
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smackhead.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/4b/En-au-smackhead.ogg/En-au-smackhead.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/4b/En-au-smackhead.ogg"
    }
  ],
  "word": "smackhead"
}