A "digital expert" that works for an advertising agency. Usually has a title like Digital Producer, Digital Manager, Social Media Manager or Digital Strategy Advisor.
Their job usually involves spending all their time looking for "cool shit" on the internet and charging you large amounts of money to show you a bunch of Youtube clips or provide a report that advises you to set up a Facebook account for your company.
Joe: Wow that Digital Douchebag down at the agency sent me a link to this awesome video! Did you know that China will soon become the number one English speaking country in the world?