An incredibly large number, containing a dillion decimal places. Frequently used to exaggerate the true magnitude of some object, event or amount.
James: How was the party last night?
Bill: Dude, it was the biggest sausagefest, there were like a dillion guys for every girl there.
by mathz March 18, 2009
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It is two million of anything.
That car is more than a million dollars, it's probably double, like a dillion dollars.
by The lesbians June 16, 2007
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a very large number, a 1 followed by 432 zeros
A dillion is 10 to the 432nd power.
by BambooJack July 12, 2007
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A p0rnstar that is literally the female version of Seth Mcfarlane.
Bill: Dude, I just polished the rifle to dillion Harper !

Jack: you mean female Seth Mcfarlane?
by Xesros January 1, 2017
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A dumbass Mutherfucker who doesnt know jack dittly Shit. Also is known to suck on donkey Ding-A-Lings and hang out here at UrbanDictionary.com/
I know this guy at school who is a Dillion Crownover.
by DillionSuckedJohn December 9, 2003
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