"light one's hair on fire" meaning in English

{
  "forms": [
    {
      "form": "lights one's hair on fire",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "lighting one's hair on fire",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "lit one's hair on fire",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "lit one's hair on fire",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "light<,,lit> one's hair on fire"
      },
      "expansion": "light one's hair on fire (third-person singular simple present lights one's hair on fire, present participle lighting one's hair on fire, simple past and past participle lit one's hair on fire)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "set one's hair on fire"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012 February 29, Michael Barbaro, Erik Eckholm, “Romney Sets Off Furor on Contraception Bill”, in New York Times, retrieved 2017-09-22",
          "text": "Mr. Romney has sought to portray himself in recent days as a more measured candidate than Mr. Santorum, declaring that he would not “light my hair on fire” to court conservatives.",
          "type": "quotation"
        },
        {
          "ref": "2016 December 9, Katie Thomas, “Wary Drug Makers Move to Fend Off Further Attacks Under Donald Trump”, in New York Times, retrieved 2017-09-22",
          "text": "“We're not panicked, we're not lighting our hair on fire,” Mr. Greenwood of Bio said. “We are remaining calm.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of set one's hair on fire"
      ],
      "id": "en-light_one's_hair_on_fire-en-verb-K9ndBRZn",
      "links": [
        [
          "set one's hair on fire",
          "set one's hair on fire#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "light one's hair on fire"
}

{
  "forms": [
    {
      "form": "lights one's hair on fire",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "lighting one's hair on fire",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "lit one's hair on fire",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "lit one's hair on fire",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "light<,,lit> one's hair on fire"
      },
      "expansion": "light one's hair on fire (third-person singular simple present lights one's hair on fire, present participle lighting one's hair on fire, simple past and past participle lit one's hair on fire)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "set one's hair on fire"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "2012 February 29, Michael Barbaro, Erik Eckholm, “Romney Sets Off Furor on Contraception Bill”, in New York Times, retrieved 2017-09-22",
          "text": "Mr. Romney has sought to portray himself in recent days as a more measured candidate than Mr. Santorum, declaring that he would not “light my hair on fire” to court conservatives.",
          "type": "quotation"
        },
        {
          "ref": "2016 December 9, Katie Thomas, “Wary Drug Makers Move to Fend Off Further Attacks Under Donald Trump”, in New York Times, retrieved 2017-09-22",
          "text": "“We're not panicked, we're not lighting our hair on fire,” Mr. Greenwood of Bio said. “We are remaining calm.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of set one's hair on fire"
      ],
      "links": [
        [
          "set one's hair on fire",
          "set one's hair on fire#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "light one's hair on fire"
}