"cheat day" meaning in English

{
  "forms": [
    {
      "form": "cheat days",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cheat day (plural cheat days)",
      "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Korean translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Paul James, Take It Off, Keep It Off: How I Went from Fat to Fit ... and You Can Too, page 79:",
          "text": "When I was first losing weight (or trying to, anyhow), I lived for my cheat day.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A day on which a person on a diet or similar restriction on activities is free to disregard them."
      ],
      "id": "en-cheat_day-en-noun-fdVlDZae",
      "links": [
        [
          "diet",
          "diet"
        ]
      ],
      "related": [
        {
          "word": "cheat meal"
        },
        {
          "word": "day off"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "välipäivä"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "chiting dei",
          "sense": "Translations",
          "word": "치팅 데이"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "cheat day"
        }
      ]
    }
  ],
  "word": "cheat day"
}

{
  "forms": [
    {
      "form": "cheat days",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cheat day (plural cheat days)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "cheat meal"
    },
    {
      "word": "day off"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Terms with Finnish translations",
        "Terms with Korean translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "ref": "2012, Paul James, Take It Off, Keep It Off: How I Went from Fat to Fit ... and You Can Too, page 79:",
          "text": "When I was first losing weight (or trying to, anyhow), I lived for my cheat day.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A day on which a person on a diet or similar restriction on activities is free to disregard them."
      ],
      "links": [
        [
          "diet",
          "diet"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "välipäivä"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "chiting dei",
      "sense": "Translations",
      "word": "치팅 데이"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "cheat day"
    }
  ],
  "word": "cheat day"
}