Everyone had at least one college professor that they just couldn't stand—an instructor that was  unfair, rude, or just insanely boring. But you couldn't say that to their face. And then the Internet happened.

Collecting the funniest comments on the popular website "Rate My Professors" involved sifting through hundreds of mean and spiteful remarks, most likely from failed students. These chosen few managed to add a touch of comedy, though still pulled no punches.