Know stuff and Russian roulette

Russian roulette and know stuff are semantically related. In some cases you can use "Russian roulette" instead an adjective phrase "Know stuff".

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.

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