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frillion or f'rillion (fril yen), adj. - 1. A f***ing trillion. 2. A really big number. 3. A quantity so extraordinary as to be considered obscene.

Also - a number with "a lot of zeros".
I can think of a frillion examples.
frillion by kid d December 26, 2007

Fillionite 

A term for fans of the Canadian actor Nathan Fillion who currently stars in the ABC hit TV show Castle as the mystery novelist Richard Castle. Another term would be Fillionaire. Fillion is also known for playing Captain Malcolm "Mal" Reynolds in the sci-fi TV show Firefly and movie Serenity and Captain Hammer in the online web-series Dr. Horrible's Sing-Along Blog. Every Fillionite knows how double rainbow Nathan is and will always support him.
Fillionite by CastleBecks October 30, 2012

Nathan Fillion 

I love that hot guy from Firefly and Castle!
It's Nathan Fillion.
Nathan Fillion by PJ630 November 28, 2010
A unit of counting that equals one hundred trillion million billion gillion.
John had worked hard his whole life and had a fillion pounds in the bank.
Fillion by green923jade December 3, 2016

frillionaire 

Having so much money, you can't count it, nor would you need to. May imply a blase attitude about the money, or sometimes the lack of intelligence necessary to keep track of it.
"So your friend just went and bought you a new tractor?"

"He won the lottery -- he's a frillionaire."
frillionaire by Tim Grant February 16, 2007
An extremely large number that is ultimately totally arbitrary in nature.
"I have a million fafillion dollars."
fafillion by ME!!! May 13, 2005