Top Definition
A word possibly first coined by the science fiction writer Rudy Rucker. I think he meant by it a person who is into numbers a lot, but doesn't think about their meaning, usefulness, or statistical validity.
The baseball fan computed the Earned Run Averages of his favorite pitchers out to 4 decimal places, which makes him a numberskull.
by Salfadoor Dolly April 11, 2012

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