Matthew Lillard plays a ne'er-do-well who has been feeding his family stories of success, so when his cousin turns up hoping for a job opportunity, things get silly quickly as they find themselves living in one of the mansions where Lillard works as a pool boy, and running a string of prostitutes. Y'know, like you do.
It's pretty harmless, but it's also fairly boring, save for a few good jokes and some nice nudity to keep it from losing you entirely.
Rental? At best?