"be a devil" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "be a devil",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1967, Encounter - Volume 29, page 95",
          "text": "Just after a woman announcer had read the weather forecast before the BBC's 10 o'clock radio news last night a man was heard to say: “Go on. Be a devil. Give us a bit.\" The BBC was inundated with calls and letters wishing the happy couple every happiness in their future together.",
          "type": "quotation"
        },
        {
          "ref": "1987, Susan Musgrave, The Dancing Chicken: A Novel, page 48",
          "text": "You don't need to lose any, but try it. Be a devil.",
          "type": "quotation"
        },
        {
          "ref": "1995, Freda Bream, Sealed and Despatched, page 107",
          "text": "I used to say to him, “Wouldn't you care for a sandwich just today, Mr Main? Come on, be a devil. Strike new ground. '",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used to encourage someone to do something when they are unsure whether they should."
      ],
      "id": "en-be_a_devil-en-intj-CrTynR9A",
      "links": [
        [
          "encourage",
          "encourage#English"
        ],
        [
          "should",
          "should#English"
        ]
      ],
      "raw_glosses": [
        "(UK, informal) Used to encourage someone to do something when they are unsure whether they should."
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "word": "be a devil"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "be a devil",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English informal terms",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1967, Encounter - Volume 29, page 95",
          "text": "Just after a woman announcer had read the weather forecast before the BBC's 10 o'clock radio news last night a man was heard to say: “Go on. Be a devil. Give us a bit.\" The BBC was inundated with calls and letters wishing the happy couple every happiness in their future together.",
          "type": "quotation"
        },
        {
          "ref": "1987, Susan Musgrave, The Dancing Chicken: A Novel, page 48",
          "text": "You don't need to lose any, but try it. Be a devil.",
          "type": "quotation"
        },
        {
          "ref": "1995, Freda Bream, Sealed and Despatched, page 107",
          "text": "I used to say to him, “Wouldn't you care for a sandwich just today, Mr Main? Come on, be a devil. Strike new ground. '",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used to encourage someone to do something when they are unsure whether they should."
      ],
      "links": [
        [
          "encourage",
          "encourage#English"
        ],
        [
          "should",
          "should#English"
        ]
      ],
      "raw_glosses": [
        "(UK, informal) Used to encourage someone to do something when they are unsure whether they should."
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "word": "be a devil"
}