Top Definition
A literary reference from Frank Herbert's Dune series describing someone who has been extensively trained to emulate the mental calculating capacity of a computer. Mentats have a tendancy to analyze everything as if it were data for a calculation. This term describes someone who over-analyzes every situation.
"If you could stop being a mentat for just one minute, you'd realize that all I wanted was a kiss..."
by Daniel June 06, 2005

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