"mad money" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "_dis": "60 40",
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          "name": "Money",
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      "examples": [
        {
          "ref": "1975 November 10, “Baglets”, in Time",
          "text": "Ultrasuede minibags \"are just the solution for waste.\" And for crime. Most minis hardly hold more than mad money and a comb.",
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        "A sum of money, often relatively small in amount, kept in reserve to use for impulsive, frivolous purposes."
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          "impulsive",
          "impulsive"
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          "frivolous",
          "frivolous"
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      "raw_glosses": [
        "(idiomatic) A sum of money, often relatively small in amount, kept in reserve to use for impulsive, frivolous purposes."
      ],
      "related": [
        {
          "_dis1": "61 39",
          "word": "pocket money"
        },
        {
          "_dis1": "61 39",
          "word": "spending money"
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        "uncountable"
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          "ref": "1975, George Javor, “Mad Money: A Semantic Change”, in American Speech, vol. 50, no. 1/2, p. 155",
          "text": "Such an expression is mad money, noted as early as 1922 by Howard J. Savage (Dialect Notes 5:148) at the end of an article on Bryn Mawr slang. Savage's definition is 'money a girl carries in case she has a row with her escort and wishes to go home alone.'",
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        "A sum of money kept in reserve or to insulate oneself financially in the event of the sudden breakdown of a relationship in which one is economically dependent."
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          "financially",
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          "sudden",
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        "(idiomatic) A sum of money kept in reserve or to insulate oneself financially in the event of the sudden breakdown of a relationship in which one is economically dependent."
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "pocket money"
    },
    {
      "word": "spending money"
    }
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          "ref": "1975 November 10, “Baglets”, in Time",
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      ],
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        "A sum of money, often relatively small in amount, kept in reserve to use for impulsive, frivolous purposes."
      ],
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          "impulsive",
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        "(idiomatic) A sum of money, often relatively small in amount, kept in reserve to use for impulsive, frivolous purposes."
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        "A sum of money kept in reserve or to insulate oneself financially in the event of the sudden breakdown of a relationship in which one is economically dependent."
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          "insulate",
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          "financially",
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          "breakdown",
          "breakdown"
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        "(idiomatic) A sum of money kept in reserve or to insulate oneself financially in the event of the sudden breakdown of a relationship in which one is economically dependent."
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