They use the bullets to train the military.
To breed a Kennedy that could take a bullet.
In case they run out of bullets.
Because they only use half pipes.
Using imperial units.
An American police officer.
Neapolitan.
They are too trigger-happy.
A Corpseman. Painfully obvious, yet a terrible play on the English language, I know. It was something I came up with a few years ago, for some unknown reason.
A schoolteacher says "Spit out that toffee" and a train says "Choo choo."
You poke 'em on.
Because it had a bad conductor.