Hellacious and Russian roulette

Hellacious adjective - Extreme in degree, power, or effect.

Russian roulette and hellacious are semantically related. In some cases you can use "Russian roulette" instead an adjective "Hellacious".

Russian roulette noun - 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.

Hellacious and Russian roulette are semantically related. Sometimes you can use "Hellacious" instead an adjective phrase "Russian roulette".