"Bolivian Marching Powder" appears in Bright Lights, Big City by Jay McInerney published in 1984. The main character describes the brain and inner soldiers marching around once they've been stimulated with cocaine.
"All might come clear if you could just slip into the bathroom and do a little more Bolivian Marching Powder. Your brain at this moment is composed of brigades of tiny Bolivian soldiers. They are tired and muddy from their long march through the night. There are holes in their boots and they are hungry. They need to be fed. They need the Bolivian Marching Powder." - Bright Lights, Big City, Jay McInerney, 1984
A device in the movie The Counselor. It comprises of a loop of alloy wire attached to a small electric motor. The device is thrown around someones neck and yanking the free wire starts the motor. The loops gets smaller and smaller, cutting open the victim's carotid arteries and/or decapitating them.