darth hideous 

a spin off of darth sidious..usually referring to some ugly girl on the internet

man that sif on myspace is gross..you might even call her a sif lord...or darth hideous

darth hideous by l337dod November 30, 2005

Darth Hideous 

Any girl that a friend of yours is dating, who is uglier than sin, and whose looks are comparable to those of Darth Sidious

Man, what is with Keenan dating Darth Hideous?

Darth Hideous by Derelict Myballs February 7, 2009