It's almost the exact same thing as a Dirty Darth, but it is the process of actually inserting the penis into the asshole.
Guy1:Dude I heard you did her in the butt last night??
Guy2: Yeah! first I gaver her the Dirty InVADER, then she gave me a Dirty Darth.
Guy2: Yeah! first I gaver her the Dirty InVADER, then she gave me a Dirty Darth.
by JordanRichter September 15, 2006