megarich

From mega- +‎ rich.

megarich (comparative more megarich, superlative most megarich)

1. (informal) Extremely rich; having a lot of money.
   • 2004, Patrick Regan, Steven Chorney, Paris the Heiress - An Unauthorized Parody:

     Poor Paris didn't ask to be a megarich human doughnut (glazed on the outside, empty in the middle).

• megawealthy