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1. gillion
A unit of counting that equals a billion million.

The cardinal number equal to 1000000 × 1000000000
At the age of 42, I will have a gillion dollars in the bank.
by Geremology May 9, 2005 add a video
2. gillion
a shitload of something
i have like a gillion shoes with holes in them
3. gillion
The amount of money that anyone named Gil has.
I just got paid today, now I have $700 gillion dollars.
4. gillion
An unambiguous number that represents a 1 followed by 9 zeros (1,000,000,000). Equivalent to American "Billion" and European "Milliard"
I have a thousand million things to do!" "You mean a gillion things to do!
5. gillion
a type of number with 100 zeros
i walke to the milbar and bought a gillion icypoles
by king Nov 7, 2003 add a video
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