An exceptionally thick and bitter coffee enjoyed by military personnel all over the world. Usually brewed from the cheapest coffee in the dirtiest pot available.
Bill: "Hey Joe, you have the watch tonight get some sleep.".
Joe: "Nah, I'm good, got some of Cheifs Motor Oil to keep me runnin."
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.