In the bible Pontious Pilate washed his hands of the decision to execute Jesus by letting the crowd decide. The act of Pontious-pilating something means refusing to act or decide on an event or situation.
Tom: What you doing tonight?
Jesus: No ideamate, I'm pontious-pilating that shit, you decide
To bring a girl home and wait for her to use your bathroom before jerking off on her pillow. You then proceeds to initiate intercourse - doggy-style - before pushing her face into the soiled pillowcase.
"Yeah, dude, she had no idea, but I was totally pillowing that chick last night."
"Awesome, you should save that pillowcase for next time."