"fun on a bun" meaning in English

{
  "etymology_text": "Chosen for the rhyme.",
  "forms": [
    {
      "form": "fun in a bun",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fun on a bun (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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": "2020, Patrick Sheane Duncan, A Private War:",
          "text": "Hardy almost giggled, but he stopped himself in time—giggling would seem unmanly. But this was fun on a bun with all the trimmings.",
          "type": "quote"
        },
        {
          "ref": "Giselle Renarde, The Lesbian Diaries Volume 2 (page 437)",
          "text": "There were picnic tables set up on the factory's sprawling front lawn, so we each ordered a mushroom burger topped with caramelized onions and grainy mustard on a bed of baby greens. Not exactly fun on a bun, but surprisingly delicious."
        },
        {
          "text": "J. J. Brass, I Spy a Courtyard Casanova\nAnd when Rexy told me an old friend lives right downstairs I thought, well isn't that fun on a bun? When I'm travelling the world, just me and my camera, Rexy won't get too lonely."
        }
      ],
      "glosses": [
        "Great fun; something very entertaining."
      ],
      "id": "en-fun_on_a_bun-en-noun-118I0yUa",
      "raw_glosses": [
        "(slang) Great fun; something very entertaining."
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "fun on a bun"
}

{
  "etymology_text": "Chosen for the rhyme.",
  "forms": [
    {
      "form": "fun in a bun",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fun on a bun (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English rhyming phrases",
        "English slang",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2020, Patrick Sheane Duncan, A Private War:",
          "text": "Hardy almost giggled, but he stopped himself in time—giggling would seem unmanly. But this was fun on a bun with all the trimmings.",
          "type": "quote"
        },
        {
          "ref": "Giselle Renarde, The Lesbian Diaries Volume 2 (page 437)",
          "text": "There were picnic tables set up on the factory's sprawling front lawn, so we each ordered a mushroom burger topped with caramelized onions and grainy mustard on a bed of baby greens. Not exactly fun on a bun, but surprisingly delicious."
        },
        {
          "text": "J. J. Brass, I Spy a Courtyard Casanova\nAnd when Rexy told me an old friend lives right downstairs I thought, well isn't that fun on a bun? When I'm travelling the world, just me and my camera, Rexy won't get too lonely."
        }
      ],
      "glosses": [
        "Great fun; something very entertaining."
      ],
      "raw_glosses": [
        "(slang) Great fun; something very entertaining."
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "fun on a bun"
}