Gat

Slang terminology for a gun. Many people thing the term is short for the gatling gun which was an 1860s multi fire rapid machine gun. Around the late 1800s to turn of the century, the term gatlin became term for a revolver.

It was not until the 1939 when the crime/mystery author Raymond Chandler detective character Philip Marlowe used the term gat to refer to any kind of pistol or small hand held gun, in the novel The Big Sleep.

I pulled my gat out and pointed it in his direction to let him know I was done playing games.

gasmouth

To have inhaled someone else's fart through one's mouth. Usually by accident.

Damn man, I just caught some gasmouth and I think I am going to throw up.