By Walt Hickey Have a great weekend! Numlock is off Monday in observation of Martin Luther King Jr. Day. We’ll be back Tuesday. Fireball Fireball, the spirit that should barely even be considered liquor, is also somehow now the 22nd-largest beer vendor in multi-outlet and convenience stores with their Fireball Cinnamon, a malt beverage riff on the whiskey-esque liquid. It comes in at