It is the product of poor spelling and ignorance, the actual word is uber.
Think about pronuciatin for a second:
uber = oober
ubber = uhh-ber
<guy 1> "d00dz, this (blank) is soooooo ubber!"
<guy 2> "d00d, you're like uber retarded!"
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Ubber is related to the german word "ΓΌber" meaning over, about or via.
In slang it is sometimes used in front of an adjective to emphasise the meaning of the adjective (the adjective usually being something positive) or, alternatively, in front of a noun to point out that the noun is something very good.
"This cake is ubber good!"
"That's an ubber idea!"
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It makes the word after it have even more meaning.
I love you ubber much.
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A german name. The most common of which is Dr. Christian Ubber. Although most people are retarded and use it incorrectly as if they're trying to say "Uber", which means of great ammount.
Dr. Christian Ubber is an German actor and University Professor best known for his role as Christian the christian on the streets of Cologne in the heart of Germany.
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better than more than or greater than. often used infront of extreme jus to make it sound and be tht much better.
ubber extreme slapsies is a painful stupid game. but so much fun.
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I hope that child was thinking of Uber, because that is pretty funny if he misspelled it
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