"Mexican car wash" meaning in English

{
  "forms": [
    {
      "form": "Mexican car washes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Mexican car wash"
      },
      "expansion": "Mexican car wash (plural Mexican car washes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American 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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1996, Annie Proulx, Accordion Crimes:",
          "text": "[…] and they could hear the rough sound, could hear too the first strikes of rain as though called down by the music.\n\"My car's gonna get a Mexican car wash,\" said Buddy.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The \"washing\" of a motor vehicle by a rainstorm."
      ],
      "id": "en-Mexican_car_wash-en-noun-XtAtfOtV",
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "motor vehicle",
          "motor vehicle"
        ],
        [
          "rainstorm",
          "rainstorm"
        ]
      ],
      "raw_glosses": [
        "(US, slang, humorous) The \"washing\" of a motor vehicle by a rainstorm."
      ],
      "tags": [
        "US",
        "humorous",
        "slang"
      ]
    }
  ],
  "word": "Mexican car wash"
}

{
  "forms": [
    {
      "form": "Mexican car washes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Mexican car wash"
      },
      "expansion": "Mexican car wash (plural Mexican car washes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English humorous terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1996, Annie Proulx, Accordion Crimes:",
          "text": "[…] and they could hear the rough sound, could hear too the first strikes of rain as though called down by the music.\n\"My car's gonna get a Mexican car wash,\" said Buddy.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The \"washing\" of a motor vehicle by a rainstorm."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "motor vehicle",
          "motor vehicle"
        ],
        [
          "rainstorm",
          "rainstorm"
        ]
      ],
      "raw_glosses": [
        "(US, slang, humorous) The \"washing\" of a motor vehicle by a rainstorm."
      ],
      "tags": [
        "US",
        "humorous",
        "slang"
      ]
    }
  ],
  "word": "Mexican car wash"
}