To break up with a girl by getting completely naked except for two white socks. You then must grab your dick in one hand, do a nazi salute and goosestep out of the room saying it's over in your best general grevious voice.
"Hey man, just general Grevioused my girlfriend"
"How did it go?"
"My voice was a bit rusty"
This is a gaming term newly used by players who spend hours of intense grinding of ingame currency to purchase a unlockable character which turns out to be a piece of trash and a waste of currency.
Oh a newcharacter ! I hope this does not remind us of The Grevious Scenario