"MoCo" meaning in English

{
  "etymology_text": "From the two initial syllables, attested as early as 2001.",
  "head_templates": [
    {
      "args": {},
      "expansion": "MoCo",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "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": "2001 May 24, The Going Out Gurus, “Got Plans?”, in With the Entertainment Guide Staff, Washington, D.C.: The Washington Post Company:",
          "text": "I'm hoping to answer you and our Silver Spring questioner, who was looking for something this weekend in MoCo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Montgomery County, Maryland."
      ],
      "id": "en-MoCo-en-name-1wAh9m5d",
      "links": [
        [
          "Montgomery County, Maryland",
          "Montgomery County"
        ]
      ],
      "raw_glosses": [
        "(US, slang) Montgomery County, Maryland."
      ],
      "tags": [
        "US",
        "slang"
      ]
    }
  ],
  "word": "MoCo"
}

{
  "etymology_text": "From the two initial syllables, attested as early as 2001.",
  "head_templates": [
    {
      "args": {},
      "expansion": "MoCo",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English slang",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2001 May 24, The Going Out Gurus, “Got Plans?”, in With the Entertainment Guide Staff, Washington, D.C.: The Washington Post Company:",
          "text": "I'm hoping to answer you and our Silver Spring questioner, who was looking for something this weekend in MoCo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Montgomery County, Maryland."
      ],
      "links": [
        [
          "Montgomery County, Maryland",
          "Montgomery County"
        ]
      ],
      "raw_glosses": [
        "(US, slang) Montgomery County, Maryland."
      ],
      "tags": [
        "US",
        "slang"
      ]
    }
  ],
  "word": "MoCo"
}