A Verb, meaning "to manipulate events totally and subtly, controlling both sides of an interaction to achieve one's own end."
Emperor Palpatine from Star Wars orchestrated the Clone Wars, the downfall of the Galactic Republic, Jedi Order, and Separatist Movement, and commanded complete control over the Galactic Empire and the Dark Side of the Force. He was the ultimate double agent, parading among his powerful enemies without suspicion. He appeared the benevolent elected leader while masterfully plotting the demise of everything god. Thus "to palpatine" means that one controls a situation completely and can bring about whatever results he desires without anyone being aware.
It can applied to trivial situations as well.
Fred: "Dude, did you hear Jeff and Andrea broke up?"
Winston: "Yeah, that was all Clara's doing. She manipulated their emotions and aggravated the conflict so that she could get with Jeff."
Fred: "She totally palpatined them!!"
Jim has been in the bathroom forever, maybe someone should check on him." "I just did; he's all done, just waiting out the repooperation period. He can't even walk for long without first repooperating.