The first name of Tupac Shakur, a rapper many refer to as "'Pac" as if he was an old friend of the family. Dead, though many feel clever saying that he isn't, and a common preference for posers who want somebody to anme as their favorite rapper that nobody can argue with.
Poser: Yo man, 'Pac is alive, man, he's still the greatest rapper alive. Word.
Real Hip-hop Fan: Shut up, he is dead, and he wasn't that much better than Big Punisher, if he was at all.