Molotov cocktail - Wikipedia
A Molotov cocktail, also known as a petrol bomb, gasoline bomb (United States), bottle bomb, poor man's grenade, Molotovin koktaili (Finnish), polttopullo (Finnish), fire bomb (not to be confused with an actual fire bomb), fire bottle or just Molotov, sometimes shortened as Molly, is a generic name used for a variety of bottle-based improvised incendiary weapons.