"After years of violent rivalry marked by the murders of such icons as Tupac Shakur and the Notorious B.I.G., rap's focus has shifted from beef to cake—making money, that is," explains Forbes in their latest link-baiting listicle, "Hip-Hop's Cash Kings of 2008." (Emphasis ours.) Thanks for simplifying the difficult-to-parse rap lingo, guys. BUT WHAT DOES BEEF MEAN?! Please explain!