"go down south" meaning in English

{
  "forms": [
    {
      "form": "goes down south",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "going down south",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "went down south",
      "tags": [
        "past"
      ]
    },
    {
      "form": "gone down south",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "go<goes,,went,gone> down south"
      },
      "expansion": "go down south (third-person singular simple present goes down south, present participle going down south, simple past went down south, past participle gone down south)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English euphemisms",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007, Peter Joseph Swanson, Hollywood Sinners, Danville, C.A.: StoneGarden.net Publishing, →ISBN, page 29:",
          "text": "Now be a doll and go down south on me before the part of me that's still hanging starts to turn blue.",
          "type": "quote"
        },
        {
          "ref": "2020 June 17, “Tap In” (0:51 from the start), in Pretty Bitch Music, performed by Saweetie:",
          "text": "B-b-billionaire niggas wanna eat me out / Bitch, I'm from the west coast, they wanna go down south",
          "type": "quote"
        }
      ],
      "glosses": [
        "To perform oral sex."
      ],
      "id": "en-go_down_south-en-verb-y72x13Xj",
      "links": [
        [
          "oral sex",
          "oral sex#Noun"
        ]
      ],
      "raw_glosses": [
        "(slang, euphemistic) To perform oral sex."
      ],
      "synonyms": [
        {
          "word": "go downtown"
        }
      ],
      "tags": [
        "euphemistic",
        "slang"
      ]
    }
  ],
  "word": "go down south"
}

{
  "forms": [
    {
      "form": "goes down south",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "going down south",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "went down south",
      "tags": [
        "past"
      ]
    },
    {
      "form": "gone down south",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "go<goes,,went,gone> down south"
      },
      "expansion": "go down south (third-person singular simple present goes down south, present participle going down south, simple past went down south, past participle gone down south)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English euphemisms",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2007, Peter Joseph Swanson, Hollywood Sinners, Danville, C.A.: StoneGarden.net Publishing, →ISBN, page 29:",
          "text": "Now be a doll and go down south on me before the part of me that's still hanging starts to turn blue.",
          "type": "quote"
        },
        {
          "ref": "2020 June 17, “Tap In” (0:51 from the start), in Pretty Bitch Music, performed by Saweetie:",
          "text": "B-b-billionaire niggas wanna eat me out / Bitch, I'm from the west coast, they wanna go down south",
          "type": "quote"
        }
      ],
      "glosses": [
        "To perform oral sex."
      ],
      "links": [
        [
          "oral sex",
          "oral sex#Noun"
        ]
      ],
      "raw_glosses": [
        "(slang, euphemistic) To perform oral sex."
      ],
      "synonyms": [
        {
          "word": "go downtown"
        }
      ],
      "tags": [
        "euphemistic",
        "slang"
      ]
    }
  ],
  "word": "go down south"
}