He has a gun of an arm, so "gun" is the slang word.
packing
A heater is a gun.
That depends on how current "current" is...
A gun is any firearm, especially a pistol or revolver.
It's DRAGON. A Gun is a slang term for a weapon such as a pistol, revolver, rifle, cannon, or other gunpowder projectile device.
lame
packing or loaded
"Roscoe" is a slang term for "handgun."
Slang names for a lawyer include hired gun, ambulance chaser, and shyster.
In the book The Outsiders, the slang term for a gun is heater.
gatheaterpocket rocketpieceburnersix-gun