light one's hair on fire

A form of set one's hair on fire — To become wildly impassioned; to behave crazily.

Meanings

verblight 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)

present singular third person lights one's hair on fire · participle present lighting one's hair on fire · participle past lit one's hair on fire · past lit one's hair on fire

  1. alternativeAlternative form of set one's hair on fire.

    “We're not panicked, we're not lighting our hair on fire,” Mr. Greenwood of Bio said. “We are remaining calm.”

    2016 December 9, Katie Thomas, “Wary Drug Makers Move to Fend Off Further Attacks Under Donald Trump”, in New York Times, retrieved 22 Sep 2017
    1 more example

    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.

    2012 February 29, Michael Barbaro, Erik Eckholm, “Romney Sets Off Furor on Contraception Bill”, in New York Times, retrieved 22 Sep 2017
Cite this entry
APA

light one's hair on fire. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/light%20one's%20hair%20on%20fire

MLA

“light one's hair on fire.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/light%20one's%20hair%20on%20fire. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “light one's hair on fire,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/light%20one's%20hair%20on%20fire.

Source: light one's hair on fire on Wiktionary, CC BY-SA 4.0.