Fig.: to gamble foolishly on a risky business

If you drink and drive, you are playing Russian roulette with your life and the lives of others

Se guidi dopo aver bevuto, giochi a roulette russa non solo con la tua vita, ma anche con la vita degli altri

The expression refers to a potentially lethal game, in which participants load a revolver with one bullet, spin the cylinder, place the barrel against their temple and pull the trigger