"Dangerous weapon" means any firearm, whether loaded or unloaded, or any device designed as a weapon and capable of producing death or great bodily harm, any combustible or flammable liquid or other device or instrumentality that, in the manner it is used or intended to be used, is calculated or likely to produce death or great bodily harm, or any fire that is used to produce death or great bodily harm. As used in this subdivision, "flammable liquid" means any liquid having a flash point below 100 degrees Fahrenheit and having a vapor pressure not exceeding 40 pounds per square inch (absolute) at 100 degrees Fahrenheit but does not include intoxicating liquor as defined in section 340A.101. As used in this subdivision, "combustible liquid" is a liquid having a flash point at or above 100 degrees Fahrenheit.