clown prince

noun2

1. •
   (slang, humorous) A crown prince, seen as a clown.

   • On behalf of my family and all my Thai friends I would like to wish the Clown Prince the next King of Thailand A Very Happy Birthday. — 2003
2. •
   (slang, humorous) Someone seen as eminent in a field, community or regarding an activity (often one whom the speaker has disdain for), seen as a clown.

   • Well, Ed, I'd have to say that if David is the Clown Prince, you're likely the Clown Emperor of Pseudoscience! All hail! — 2003