"oi oi" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "oi"
      },
      "expansion": "oi",
      "name": "m"
    }
  ],
  "etymology_text": "Duplication of oi.",
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "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": "2004, Jesse Armstrong, Sam Bain, “Wedding” (around 6 min 30 sec from the start), in Peep Show, season 2, episode 12",
          "roman": "- Oh, yeah. Jez, listen... Oi oi, tequila slammers!",
          "text": "- Hans, is it perhaps time we had a word with Jeremy?",
          "type": "quotation"
        },
        {
          "ref": "2007, “Never Drink Alone”, in The Road to Rampton, performed by The Anti-Nowhere League",
          "roman": "- Sorry mate, we don't serve your kind here.",
          "text": "- Oi oi!",
          "type": "quotation"
        },
        {
          "ref": "2007, James Corden, Ruth Jones, around 4 min 30 sec from the start, in Gavin & Stacey, season 1, episode 1",
          "text": "Oi oi!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "hey; look; drawing attention to something"
      ],
      "id": "en-oi_oi-en-intj-NUP7iHm-",
      "links": [
        [
          "hey",
          "hey"
        ],
        [
          "look",
          "look"
        ]
      ],
      "raw_glosses": [
        "(UK, slang) hey; look; drawing attention to something"
      ],
      "synonyms": [
        {
          "word": "ahoy"
        },
        {
          "word": "yo"
        },
        {
          "word": "hey"
        }
      ],
      "tags": [
        "UK",
        "slang"
      ]
    }
  ],
  "word": "oi oi"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "oi"
      },
      "expansion": "oi",
      "name": "m"
    }
  ],
  "etymology_text": "Duplication of oi.",
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2004, Jesse Armstrong, Sam Bain, “Wedding” (around 6 min 30 sec from the start), in Peep Show, season 2, episode 12",
          "roman": "- Oh, yeah. Jez, listen... Oi oi, tequila slammers!",
          "text": "- Hans, is it perhaps time we had a word with Jeremy?",
          "type": "quotation"
        },
        {
          "ref": "2007, “Never Drink Alone”, in The Road to Rampton, performed by The Anti-Nowhere League",
          "roman": "- Sorry mate, we don't serve your kind here.",
          "text": "- Oi oi!",
          "type": "quotation"
        },
        {
          "ref": "2007, James Corden, Ruth Jones, around 4 min 30 sec from the start, in Gavin & Stacey, season 1, episode 1",
          "text": "Oi oi!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "hey; look; drawing attention to something"
      ],
      "links": [
        [
          "hey",
          "hey"
        ],
        [
          "look",
          "look"
        ]
      ],
      "raw_glosses": [
        "(UK, slang) hey; look; drawing attention to something"
      ],
      "tags": [
        "UK",
        "slang"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ahoy"
    },
    {
      "word": "yo"
    },
    {
      "word": "hey"
    }
  ],
  "word": "oi oi"
}