"w7u4" meaning in Chinese

{
  "etymology_templates": [
    {
      "args": {
        "1": "yue"
      },
      "expansion": "Initialism",
      "name": "initialism"
    },
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "what"
      },
      "expansion": "English what",
      "name": "der"
    },
    {
      "args": {
        "1": "yue",
        "2": "-"
      },
      "expansion": "Cantonese",
      "name": "ncog"
    },
    {
      "args": {
        "1": "zh",
        "2": "7",
        "tr": "cat1"
      },
      "expansion": "7 (cat1)",
      "name": "m"
    },
    {
      "args": {
        "1": "zh",
        "2": "柒",
        "t": "penis",
        "tr": "cat6"
      },
      "expansion": "Chinese 柒 (cat6, “penis”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "u",
        "t": "you"
      },
      "expansion": "English u (“you”)",
      "name": "der"
    },
    {
      "args": {
        "1": "yue",
        "2": "四",
        "t": "four",
        "tr": "sei3"
      },
      "expansion": "Cantonese 四 (sei3, “four”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "en",
        "2": "say"
      },
      "expansion": "English say",
      "name": "ncog"
    }
  ],
  "etymology_text": "Initialism of English what + Cantonese 7 (cat1), a euphemism for Chinese 柒 (cat6, “penis”) + English u (“you”) + Cantonese 四 (sei3, “four”), near-homophone with English say and written as a number.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "phrase"
      },
      "expansion": "w7u4",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hong Kong Cantonese",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "what on earth are you saying?"
      ],
      "id": "en-w7u4-zh-phrase-S8FF405l",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "what on earth",
          "what on earth"
        ],
        [
          "say",
          "say"
        ]
      ],
      "raw_glosses": [
        "(Hong Kong Cantonese, Internet slang) what on earth are you saying?"
      ],
      "tags": [
        "Cantonese",
        "Hong-Kong",
        "Internet"
      ]
    }
  ],
  "word": "w7u4"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "yue"
      },
      "expansion": "Initialism",
      "name": "initialism"
    },
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "what"
      },
      "expansion": "English what",
      "name": "der"
    },
    {
      "args": {
        "1": "yue",
        "2": "-"
      },
      "expansion": "Cantonese",
      "name": "ncog"
    },
    {
      "args": {
        "1": "zh",
        "2": "7",
        "tr": "cat1"
      },
      "expansion": "7 (cat1)",
      "name": "m"
    },
    {
      "args": {
        "1": "zh",
        "2": "柒",
        "t": "penis",
        "tr": "cat6"
      },
      "expansion": "Chinese 柒 (cat6, “penis”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "u",
        "t": "you"
      },
      "expansion": "English u (“you”)",
      "name": "der"
    },
    {
      "args": {
        "1": "yue",
        "2": "四",
        "t": "four",
        "tr": "sei3"
      },
      "expansion": "Cantonese 四 (sei3, “four”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "en",
        "2": "say"
      },
      "expansion": "English say",
      "name": "ncog"
    }
  ],
  "etymology_text": "Initialism of English what + Cantonese 7 (cat1), a euphemism for Chinese 柒 (cat6, “penis”) + English u (“you”) + Cantonese 四 (sei3, “four”), near-homophone with English say and written as a number.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "phrase"
      },
      "expansion": "w7u4",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Cantonese initialisms",
        "Cantonese lemmas",
        "Cantonese phrases",
        "Cantonese terms derived from English",
        "Chinese entries with incorrect language header",
        "Chinese internet slang",
        "Chinese lemmas",
        "Chinese phrases",
        "Chinese terms with non-redundant manual transliterations",
        "Hong Kong Cantonese",
        "Requests for pronunciation in Cantonese entries"
      ],
      "glosses": [
        "what on earth are you saying?"
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "what on earth",
          "what on earth"
        ],
        [
          "say",
          "say"
        ]
      ],
      "raw_glosses": [
        "(Hong Kong Cantonese, Internet slang) what on earth are you saying?"
      ],
      "tags": [
        "Cantonese",
        "Hong-Kong",
        "Internet"
      ]
    }
  ],
  "word": "w7u4"
}