Sexual intercourse, distinguished by rough and forceful thrusts from the male/phallus counterpart, who is also taking the dominant and lead role. The act is in no way malicious.
Betsy told her man, Nick, "Please, I really need you to fuck the daylights out of me. This is what I really need". Nick replied, "Lover, I give you my word, I will powerfuck you for as long as I can".
A paperfuck is any document that can totally screw you such as: a lawsuit, legal charges, failing grades on a transcript, a police report, etc. etc.
It can also be used a verb.
Cop: I know that you know where the suspect is, now tell me where he's hiding or I will paperfuck you out of this university so fast!
UCLA Student: I swear I don't know, I think he has friends in Santa Cruz.
Daniel: How are you doing man?
Kyle: Awesome, I totally just paperfucked the guy who slashed my tires.