"Mutton Walk" meaning in English

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  "lang_code": "en",
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          "ref": "1823, Pierce Egan, Real Life in London:",
          "text": "However this might be, the pain occasioned by the sudden movement of TALLYHO, who had not yet learned to trip it lightly along the mutton walk, induced the sufferer to roar out most lustily, […]",
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        "The saloon at Drury Lane Theatre, once a popular gathering-place."
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        "(UK, slang, obsolete) The saloon at Drury Lane Theatre, once a popular gathering-place."
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  "word": "Mutton Walk"
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  "lang_code": "en",
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        "(UK, slang, obsolete) The saloon at Drury Lane Theatre, once a popular gathering-place."
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        "obsolete",
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  "word": "Mutton Walk"
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