Russian roulette
noun /ˌrʌʃn ruːˈlet/
/ˌrʌʃn ruːˈlet/
[uncountable]- a dangerous game in which a person shoots at their own head with a gun that contains only one bullet (in a gun that can take six), so that the person does not know if the gun will fire or not
- (figurative) The airline was accused of playing Russian roulette with passenger safety.