noun: The brother of your mother or father that has a lot of money but no kids. Usually a cool bachelor, drives an old muscle car or an expensive new car. May be quirky or strange but always loves to shower his nieces and nephews with gifts.
Last year my rich uncle Tim added a Corvette along side his 1964 Jaguar E-Type coupe in East Hampton. And the best part is he lets me drive the 'vette with the valet key he gave me!
by Crazybmws April 7, 2011
Uncle Sam. so named for government's spending habits.
our rich uncle better cut back on his spending my money.
by mikezila May 22, 2009
The relative with all of the money, who believes that any tax is too high, no matter how reasonable. He employs legions of tax accountants to avoid paying any tax at all. A rich uncle is characterized by notorious stinginess and a Scrooge-like attitude toward the unemployed, the orphaned, the poor, and the elderly.
1. "Are there no prisons? Are there no workhouses?" said Uncle Scrooge, Fred's rich uncle.

2. "“They are Man’s,” said the Spirit, looking down upon them. “And they cling to me, appealing from their fathers. This boy is Ignorance. This girl is Want. Beware them both, and all of their degree, but most of all beware this boy, for on his brow I see that written which is Doom, unless the writing be erased.” "Who am I," said Uncle Scrooge, "their rich uncle?"
by senseandnonsense April 7, 2011