Most versions have it that a fraternity or somesuch a few miles away at Chapel Hill is in custody of Blackbeard's silver-encrusted skull. Others say that it's being kept around the Outer Banks. Here is one account of drinking from the skull of Blackbeard, originating from no less an authority that Charles Whedbee: the late respected collector of North Carolina stories.
Drinking wine from Blackbeard's skull. Ehhhh... makes me all the more thankful that I'm pretty much a teetotaler :-P