(noun): An individual who possesses wealth in the form of prosthetic teeth or other comparative mouth ware. The mouth ware or prosthesis will often be precious metal in nature and/or adorned with semi-precious or precious gems. The individual will often prefer this form of storing his or her wealth to cash, stocks, bonds, banks or other such financial institutions due to the portable and fashionable nature of such objects.
"Yo's dawg dat thug dun busted me'ss in muh mouf dun made me'ss uh grillionaire." - a striking young man commenting on the fortuitous nature of his encounter.
by verisimilidude. August 08, 2012

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Top Definition
A person whose assets are tied up mostly in their mouth in the form of expensive dental work i.e. diamond letters and gold or platinum caps
I thought that fool was poor until he smiled revealing that he was indeed a grillionaire
by The Spadoni Orchestra May 11, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A new rapper who is currently emerging with Ice Cutta'and Ag107 from the Property Club in Georgia.
Ay Dog, Ay! did you hear Grillionaire's new jam "gatz and Grillz?" what you didn't? Tell me you heard "you just a mark ass bitch!"
by ken the j November 12, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt