Master Bullshit Artist.
(1) A Graduate level degree offered to fast talking business students with little real knowledge of business processes, but are extremely proficient with PowerPoint presentations.
(2) A graduate business student that can authoritatively talk you into the ground at impromptu hallway meetings. (also, see buzzwords.)
(1) That MBA's powerpoint presentation was spectacular... Now, what the hell was he talking about?
(2) I got cornered by an MBA in the hallway and lost 45 minutes I'll never get back!