|1.||Don't bore us, get to the chorus!|
Basically, it simply means "quit pussyfooting around, get to the point", or KISS (Keep It Simple, Stupid) or "say what you gotta say". The phrase is also the title of a greatest hits release from the Swedish band Roxette that I got in an HMV store in downtown Toronto, Canada. That album was probably released in Canada only.
Professor: Communism evolved as a warped corruption of scientific socialism, which was expounded by the German scientist Karl Marx, who was born in...etc, etc, etc....
Student (thinking): Don't bore us, get to the chorus!