flake out

verb

To fall asleep from exhaustion or intoxication; to lie down.

“John said he could drive me to the airport, but then he flaked out on me, and I had to call a cab at the last minute.”

Similar
fall asleepdope offdrift offnod offdrop offdoze offdrowse off
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Meanings

verbflake out (third-person singular simple present flakes out, present participle flaking out, simple past and past participle flaked out)

present singular third person flakes out · participle present flaking out · participle past flaked out · past flaked out

  1. informalintransitiveTo fall asleep from exhaustion or intoxication; to lie down.
  2. informalintransitiveTo flake or be flaky: to prove unreliable; to abandon or desert someone.

    John said he could drive me to the airport, but then he flaked out on me, and I had to call a cab at the last minute.

  3. intransitiveslangTo crack up or break down; to have a mental episode; to behave eccentrically.

Synonyms & antonyms

verbchange from a waking to a sleeping state

Similar
fall asleepdope offdrift offnod offdrop offdoze offdrowse off
Broader
changealtervary
Also see
dope offdoze offdrift offdrop offfall asleepnod off

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

flake out. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/flake%20out

MLA

“flake out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flake%20out. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “flake out,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/flake%20out.

Source: flake out on Wiktionary, CC BY-SA 4.0.