Well a gun is a mechanism for shooting bullets that are chemically propelled using gunpowder by means of an explosion that accelerates a projectile usually a bullet from the barrel.
popularized by a Twitter account in 2010. It is named after the misunderstood giant in the 2003 film Big Fish. Older or alternative terms used locally include simply "the fog" or sometimes "Big Mama", Seasonal Names: It is often associated with the terms "June Gloom" or "Fogust" due to its prevalence in the summer months.