Also known as Getting your Palpatine on or going Palpatine.
Man 2: Man, that is Dark Side.
Generaly very tempting and it's easy to fall for it when a Jedi can't control his feelings.
Yoda "Dark the other side is"
Obi Wan "STFU and eat your Toast, Toad!"
dark sider (noun) - One who engages in dark siding.
See also: wuba, slay
My roommate is a dark-sider; he dates a wuba from 29th Company.