/*m-boh'goh, dok'tr fred/
[Stanford]
n. The archetypal man you don't want to see about a problem, esp. an incompetent professional; a shyster.
"Do you know a good eye doctor?"
"Sure, try Mbogo Eye Care and Professional Dry Cleaning."
The name comes from synergy between bogus and the original Dr. Mbogo, a witch doctor who was Gomez Addams' physician on the old "Addams Family" TV show.
See also fred.