(Noun) A large collection of degrees, certificates and awards on one's office or cubicle wall that are placed the in a pathetic attempt to cover a glaring lack of professional competency or adequacy.
Wally from Dilbert cube probably has every degree since high school, certificates from every seminar and Webinar he ever attended/watched - all in an attempt to "comb-over" the fact that he doesn't really know or do anything productive.
Have you seen Wally's cube? What an Intellectual Comb-Over! He even had his Presidential Certificate of Fitness from High School!