flameout

noun

1. (countable, uncountable)The act of flaming out or burning out; extinguishing.
2. (countable, figuratively, uncountable)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.”

   “She was part of a weave of girls at Miss Rutgers's School, a mesh so fine and scarily intimate that even her mother's flameout and jail sentence […] couldn't dissolve it.”

3. (countable, uncountable)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.”