"fed up to the back teeth" meaning in English

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  "lang_code": "en",
  "pos": "phrase",
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          "extra": "very frustrated, annoyed, tired",
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      "glosses": [
        "Emphatic form of fed up: very frustrated, annoyed, tired."
      ],
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          "frustrate",
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          "annoyed",
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      "raw_glosses": [
        "(informal, UK) Emphatic form of fed up: very frustrated, annoyed, tired."
      ],
      "synonyms": [
        {
          "word": "sick to the back teeth"
        },
        {
          "word": "fed up to the teeth"
        }
      ],
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        "UK",
        "emphatic",
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        "informal"
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      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "vulgar"
          ],
          "word": "en avoir plein le cul"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "en avoir ras le bol"
        },
        {
          "alt": "しょくしょう",
          "code": "ja",
          "lang": "Japanese",
          "roman": "shokushō",
          "sense": "Translations",
          "word": "食傷"
        },
        {
          "alt": "あきあき",
          "code": "ja",
          "lang": "Japanese",
          "roman": "akiaki",
          "sense": "Translations",
          "word": "飽き飽き"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "unzari",
          "sense": "Translations",
          "word": "うんざり"
        }
      ]
    }
  ],
  "word": "fed up to the back teeth"
}

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        "(informal, UK) Emphatic form of fed up: very frustrated, annoyed, tired."
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      "synonyms": [
        {
          "word": "sick to the back teeth"
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  "synonyms": [
    {
      "word": "fed up to the teeth"
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  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "vulgar"
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      "word": "en avoir plein le cul"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "en avoir ras le bol"
    },
    {
      "alt": "しょくしょう",
      "code": "ja",
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      "roman": "shokushō",
      "sense": "Translations",
      "word": "食傷"
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    {
      "alt": "あきあき",
      "code": "ja",
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      "roman": "akiaki",
      "sense": "Translations",
      "word": "飽き飽き"
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  "word": "fed up to the back teeth"
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