The biggest number there is; the most; used when something is extreme; used in over-exaggeration
I got stopped at eleventy billion red lights on the way here.
by Jenga650 August 26, 2006
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The value of any unknown integer that can be counted in scores (tens) ie more than 20 but not in hundreds ie below 200.

The specific number is 117
eleventy-seven red balloons go by
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On a scale from one to ten a victoria is an eleventy fortyfour
Dang. She's an eleventy fortyfour
by MeaganT33 March 14, 2017
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A large, large number. Twenty-three zeroes ( 11 + 12 ). Unable to be obtained.
Dude, they're beating us by like eleventy-twelve.
by ToniBurrito June 11, 2007
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An emergency state of vigilance and preparedness following closely on the heels of a governmental pronouncement of impending national doom, with such pronouncements often coinciding with upcoming elections and/or with recently published polling data reflecting ever-diminishing popularity ratings of the Nine-Eleventy "decider".
"Some critics claim that when the government's in trouble they get all Nine-Eleventy up in this bitch." Jon Stewart (The Daily Show)
by KatieOh! July 5, 2006
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a number that is impossible, because it cannot be reached, like eleventy eleven or anything like that.
the world will end using this number, someobody will try to write "eleventy-twelve and will blow up the world.
by the creeper down the street January 12, 2011
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the most kick ass number on this planet
either you give me eleventy billion dollars or i'll fuck you to mars
by moop February 3, 2004
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