An event that is so awesome and at the same time, kind of fucked up, it has no rival. (e.g: Darth Vader)
Also known as Getting your Palpatine on or going Palpatine.
Man 1: So, the other day, I was getting a BJ from my girlfriend and after she finished, I showed her some porn and told her what she did wrong.
Man 2: Man, that is Dark Side.