"happy camper" meaning in English

{
  "etymology_text": "The Dictionary of American Slang suspects the phrase to have originated among California movie and show-business people as a reference to child clients of summer camps.",
  "forms": [
    {
      "form": "happy campers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "happy camper (plural happy campers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "87 13",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "60 40",
          "kind": "topical",
          "langcode": "en",
          "name": "Emotions",
          "orig": "en:Emotions",
          "parents": [
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "48 52",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "I will be a happy camper when they fix the potholes on my commute.",
          "type": "example"
        },
        {
          "ref": "1989 April 26, Shirley Marlow, “Quayle Visits Samoa, Decides He'll Give It a Break”, in Los Angeles Times",
          "text": "“You all look like happy campers to me,” Dan Quayle to the people of American Samoa.",
          "type": "quotation"
        },
        {
          "ref": "1997, Roz Denny Fox, Sweet Tibby Mack, page 132",
          "text": "\"Call, but you can't fight union regulations\" / \"You're probably right. Still, their boss needs to know I'm not a happy camper.\"",
          "type": "quotation"
        },
        {
          "ref": "2008, Deepa Kumar, quoting Ron Carey, Outside the Box: Corporate Media, Globalization, and the UPS Strike, Appendix, page 194",
          "text": "I had kept telling people that this company would be looking for a victim to pay for this. They would not let it go. And it wasn't just them—look at all the Mob guys I threw out of the union. They weren't happy campers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who is thoroughly content or satisfied."
      ],
      "id": "en-happy_camper-en-noun-K9hwYpBm",
      "links": [
        [
          "content",
          "content"
        ],
        [
          "satisfied",
          "satisfied"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, informal) One who is thoroughly content or satisfied."
      ],
      "synonyms": [
        {
          "word": "happy bunny"
        }
      ],
      "tags": [
        "US",
        "informal"
      ]
    },
    {
      "categories": [
        {
          "_dis": "48 52",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see happy, camper."
      ],
      "id": "en-happy_camper-en-noun-MHQisHSd",
      "links": [
        [
          "happy",
          "happy#English"
        ],
        [
          "camper",
          "camper#English"
        ]
      ]
    }
  ],
  "word": "happy camper"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "en:Emotions",
    "en:People"
  ],
  "etymology_text": "The Dictionary of American Slang suspects the phrase to have originated among California movie and show-business people as a reference to child clients of summer camps.",
  "forms": [
    {
      "form": "happy campers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "happy camper (plural happy campers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English informal terms",
        "English terms with quotations",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "I will be a happy camper when they fix the potholes on my commute.",
          "type": "example"
        },
        {
          "ref": "1989 April 26, Shirley Marlow, “Quayle Visits Samoa, Decides He'll Give It a Break”, in Los Angeles Times",
          "text": "“You all look like happy campers to me,” Dan Quayle to the people of American Samoa.",
          "type": "quotation"
        },
        {
          "ref": "1997, Roz Denny Fox, Sweet Tibby Mack, page 132",
          "text": "\"Call, but you can't fight union regulations\" / \"You're probably right. Still, their boss needs to know I'm not a happy camper.\"",
          "type": "quotation"
        },
        {
          "ref": "2008, Deepa Kumar, quoting Ron Carey, Outside the Box: Corporate Media, Globalization, and the UPS Strike, Appendix, page 194",
          "text": "I had kept telling people that this company would be looking for a victim to pay for this. They would not let it go. And it wasn't just them—look at all the Mob guys I threw out of the union. They weren't happy campers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who is thoroughly content or satisfied."
      ],
      "links": [
        [
          "content",
          "content"
        ],
        [
          "satisfied",
          "satisfied"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, informal) One who is thoroughly content or satisfied."
      ],
      "synonyms": [
        {
          "word": "happy bunny"
        }
      ],
      "tags": [
        "US",
        "informal"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see happy, camper."
      ],
      "links": [
        [
          "happy",
          "happy#English"
        ],
        [
          "camper",
          "camper#English"
        ]
      ]
    }
  ],
  "word": "happy camper"
}