A man's dick, especially if black. Seen many times on the "Blacks on blondes" site trailers on the net, it means a man with a huge cock.
Lex fucked Tawnee with his massive black meatbone in the ass, then she had a gape!
The Most Amazingly Powerful Rock Band Ever. They have been known to melt faces off with their rock-a-tude
Dude! I saw Meatbone the other day and they kicked all ass~!