- a game of high risk in which each player in turn, using a revolver containing one bullet, spins the cylinder of the revolver, points the muzzle at the head, and pulls the trigger.
- a game of chance in which each player in turn spins the cylinder of a revolver loaded with only one cartridge and presses the trigger with the barrel against his own head
- any act which, if repeated several times, is likely to have disastrous consequences
