This is the little-known twin brother of "Go Fuck Yourself." However, the demand is slightly more humiliating and degrading -- as the prospect of getting fucked by some unknown force in an unknown orifice is much more unsettling than merely fucking yourself, or masturbating.
Person1: So why did you stop being friends with your homie?
Person2: Huge fight. Jerk took my girl.
Person1: That's betrayal. You alright?
Person2: He may have taken my girl, but I took his sister.
Person1: Way to go fuck and get fucked.