Top Definition
A fillion is much much greater than the normal a$$ billion or trillion, it is the godmother of all large numbers. A fillion can be used to describe a person or a large amount of dollarz. ($) To use a fillion, fillionth, or filli in a sentence shows the extent of your vocabulary and people will think much higher of your abilities in the arts and academics. But if you use this in the party setting it shows that you are an extreme party-pants and can drink a lot... fillions of drinks perhaps. Regardless the use of A fillion or to be called any of the related fillion terms makes you the freaking bomb.
That girl has a fillion times better a$$ than you.
by Jake Lima January 06, 2010
4 Words related to A Fillion

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