Never heard of it, neither has Google. Either you've misheard, or it's something very local.
The guns used in war to shoot down planes are called antiaircraft guns.
Machine guns.
The actual act of firing the guns is called a "Salvo".
Gatling guns ,cannons
Yes, its called "Bury Me with My Guns On"
hoplogy
Fixed
A collection
Guns in Star Wars are generally referred to as "blasters."
The actual act of firing the guns is called a "Salvo".
yes its called HBO
The caliber