GMEllionaire 

A savvy individual who utilized crowd-resourcing to profit greatly off of GameStop stock's meteoric rise in 2021. This individual can be seen negotiating custom upholstery for their newly-acquired yacht.

Carter: Did you hear about Ethan?

Marty: No, what?

Carter: He made a killing timing the market just right, buying GME low and selling high.

Marty: He's got diamond hands bro!

Martina: Aww, don't be jealous because he doesn't have paper hands like you Carter, he's now a GMEllionaire!
Ethan (puffs chest and smiles knowingly): Sup!

GMEllionaire by poke & peek March 10, 2021

girllionaire 

a contraction of girl and millionaire, a term coined by Donnie Baker to describe a guy who is especially gifted at picking up girls and seems to have a million girlfriends

The Fonz on Happy Days was a prime example of a girllionaire.

girllionaire by Michael_Hunt March 2, 2009

gayllionaire 

a gay millionaire. usually "new money" from a fitness, energy drink, or internet industry.

Levi: "Sooo, what's been up with Troy?"
Glenn: "Ohhh, he's set for life, he's dating a gayllionaire."

gayllionaire by vivapedro March 16, 2010

grillionaire 

(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.

grillionaire by verisimilidude. August 8, 2012

grillionaire 

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

grillionaire by The Spadoni Orchestra May 11, 2009

Guillionaire 

noun, adj
A portmanteau of guillotine and billionaire, refers to billionaires that would receive the guillotine in a revolution.

Jeff Bezos, who presently sits atop guillionaire mountain, couldn't resist the urge to single handedly gentrify Long Island City for a fistful of dollars.

The Koch brothers, famed guillionaires for perennial donations to conservative PACs, stand to profit an order of magnitude more from the Keystone XL pipeline; it takes money to make money!

Guillionaire by QalTeq February 7, 2019

gillionaire 

To have more than one million gil in the popular final fantasy 7 game for the sony playstation console

I've just just sold my mastered All materia for 1,400,000...I guess that makes me a gillionaire.

gillionaire by sirholdthem June 17, 2008