Co jest burner? Co jest burner? One that burns, especially:A device, as in a furnace, stove, or gas lamp, that is lighted to produce a flame.A device on a stovetop, such as a gas jet or electric element, that produces heat. A unit, such as a furnace, in which something is burned: an oil burner. An incinerator.Slang An elaborate mural painted by a graffiti artist, usually on the wall of an abandoned building.Slang A large, multicolored graffito.on the back burner As a low priority: kept the project on the back burner all summer. on the front burner As a high priority.