A man or woman involved in sale of illegal narcotics. What differentiates a 'pusherman' from a 'drug dealer' is that the 'pusherman' in notorious for loose morals, poor quality intoxicants and/or unfair prices.
Usually the pusherman is a last resort in the search of prohibited substances.
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.