The shocking over use of the new "3D" and Smart-Art features in PowerPoint 2007 to make a dull presentation look 'great'. Although the author might love it, the audience will have hurty eyes from all the ugly shiny effects and bright colors.
Joe: I had to go watch the new presentation on health and safety today
Bob: How was it?
Joe: OMG, it was Death by PowerPoint 2007. It had so much Smart-Art in it that I needed to put my shades on.