Flameout

Noun

1. The act of flaming out or burning out; extinguishing.
2. The act of quitting or failing, especially due to overwork or in a dramatic manner.

   "The company was one of Silicon Valley's more famous dot-com flameouts."

3. The sudden extinguishing of the flame of a burner (due to obstruction of fuel or airflow).

   "The left engine suffered a flameout from ingesting heavy rain."