"riff-raff" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "riffraff"
    },
    {
      "word": "riff raff"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes péjoratifs en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "David Mitchell, Dishonesty is the Second-Best Policy: And Other Rules to Live By, Guardian Faber Publishing, 2019, p. 48",
          "text": "The riff-raff here are people who see themselves as opera buffs, but who the anti-translation opera buffs would say they aren’t proper buffs because they don’t like opera enough to sit through it when the words are gobbledygook – or aren't proper buffs because they haven’t bothered to learn Italian and German."
        }
      ],
      "glosses": [
        "Racaille."
      ],
      "id": "fr-riff-raff-en-noun-NfVLTS1B",
      "tags": [
        "pejorative"
      ]
    }
  ],
  "tags": [
    "plural"
  ],
  "word": "riff-raff"
}

{
  "categories": [
    "Lemmes en anglais",
    "Noms communs en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "riffraff"
    },
    {
      "word": "riff raff"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Termes péjoratifs en anglais"
      ],
      "examples": [
        {
          "ref": "David Mitchell, Dishonesty is the Second-Best Policy: And Other Rules to Live By, Guardian Faber Publishing, 2019, p. 48",
          "text": "The riff-raff here are people who see themselves as opera buffs, but who the anti-translation opera buffs would say they aren’t proper buffs because they don’t like opera enough to sit through it when the words are gobbledygook – or aren't proper buffs because they haven’t bothered to learn Italian and German."
        }
      ],
      "glosses": [
        "Racaille."
      ],
      "tags": [
        "pejorative"
      ]
    }
  ],
  "tags": [
    "plural"
  ],
  "word": "riff-raff"
}