flameout

/F L EY1 AW0 T/
noun
  1. 1

    The act of flaming out or burning out; extinguishing.

  2. 2

    The act of quitting or failing, especially due to overwork or in a dramatic manner.

    โ€œThe company was one of Silicon Valley's more famous dot-com flameouts.โ€

  3. 3

    The sudden extinguishing of the flame of a burner (due to obstruction of fuel)

Source: https://en.wiktionary.org/wiki/flameout