A petrol bomb is a dangerous and destructive weapon that is used in cases of civil unrest, terrorism, and other violent acts. However, there are several synonyms for the term, which describe this type of explosive device. Some of these include a Molotov cocktail, gasoline bomb, firebomb, and bottle bomb. Each of these names describes the same type of improvised explosive device, which is made by combining gasoline or other flammable liquid with a rag or other type of fuse. Regardless of the name used, this type of weapon is highly dangerous and should be avoided at all costs.