"China bug" meaning in English

{
  "forms": [
    {
      "form": "China bugs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "China bug (plural China bugs)",
      "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": "English ethnic slurs",
          "parents": [
            "Ethnic slurs",
            "Offensive terms",
            "Terms by usage"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1977, Joe Fong, quotee, Unemployment and Crime: Hearings Before the Subcommittee on Crime of the Committee on the Judiciary, House of Representatives, Ninety-fifth Congress, First and Second Sessions on Unemployment and Crime, page 820:",
          "text": "The ABCs called us FOBs—Fresh Off the Boat—or China Bugs. Even the American-born Chinese referred to us as ‘Chinese’—as though they were not.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A fresh off the boat Chinese-American immigrant."
      ],
      "id": "en-China_bug-en-noun-3SZS4m9n",
      "links": [
        [
          "ethnic",
          "ethnic"
        ],
        [
          "slur",
          "slur"
        ],
        [
          "fresh off the boat",
          "fresh off the boat"
        ]
      ],
      "raw_glosses": [
        "(US, ethnic slur, historical) A fresh off the boat Chinese-American immigrant."
      ],
      "tags": [
        "US",
        "ethnic",
        "historical",
        "slur"
      ]
    }
  ],
  "word": "China bug"
}

{
  "forms": [
    {
      "form": "China bugs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "China bug (plural China bugs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English ethnic slurs",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1977, Joe Fong, quotee, Unemployment and Crime: Hearings Before the Subcommittee on Crime of the Committee on the Judiciary, House of Representatives, Ninety-fifth Congress, First and Second Sessions on Unemployment and Crime, page 820:",
          "text": "The ABCs called us FOBs—Fresh Off the Boat—or China Bugs. Even the American-born Chinese referred to us as ‘Chinese’—as though they were not.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A fresh off the boat Chinese-American immigrant."
      ],
      "links": [
        [
          "ethnic",
          "ethnic"
        ],
        [
          "slur",
          "slur"
        ],
        [
          "fresh off the boat",
          "fresh off the boat"
        ]
      ],
      "raw_glosses": [
        "(US, ethnic slur, historical) A fresh off the boat Chinese-American immigrant."
      ],
      "tags": [
        "US",
        "ethnic",
        "historical",
        "slur"
      ]
    }
  ],
  "word": "China bug"
}