A stunt in which you spin the cylinder of a revolver that is loaded with only one bullet and then point the muzzle at your head and pull the trigger WordNet 3.0 & Open English WordNet

Russian roulette is a potentially lethal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against the head or body, and pulls the trigger. Wikipedia

An analogy for or the actual lethal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against his or her head, and pulls the trigger Wikipedia Disambiguation

Lethal game of chance played with a revolver. Wikipedia Disambiguation

Lethal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against a person and pulls the trigger Wikidata

A deadly game in which a person loads a single bullet in the cylinder of a revolver, spins the cylinder so that the bullet's location is unknown, points the muzzle at his/her head, and pulls the trigger. In its most lethal form, played by multiple participants each of whom takes a turn until the weapon discharges. Wiktionary

Deadly game with revolver and random spinning. Wiktionary (translation)