mcmansion

"A teetering economy and a ramshackle housing market are forcing homeowners looking to sell to take extreme measures these days. It’s no secret that, thanks to unscrupulous lending practices and subprime and Alt-A mortgages, millions of homeowners got in way over their heads with the promises of refinancing and surefire growing equity dangled in front of them. Now, homeowners who are literally drowning in their suburban McMansions are willing to do anything to get out from underwater, including taking to Craigslist to offer cheap, Realtor-circumvented 'trades' for more meager, average-sized homes."
- Molly Priesmeyer, 'Downgrade fever: On Craigslist, homeowners are willing to trade fairytale McMansions and ‘castles’ for happy endings', 22 July 2008.

He lives in a McMansion because he has an edifice complex.