A sexual act where one person (male or female) kneels at a man's side, and with the fingers of one hand probes the anus in a calculator-button pushing motion. The other hand grips the penis and strokes it in a crank handle fashion, as if he or she is operating an old-time crank-handle calculator.
Sally promised the college math professor that if she performed the mathematician on him he would shout out prime numbers at the top of his lungs.
by 0 00 January 08, 2006
Top Definition
Possibly, on average, the smartest people around since they can actually back up their knowledge with rigorous proof. Someone who specializes in pure or applied mathematics.
A mathematician is not happy until the proof is complete.
by algebrator July 30, 2009
A mathematician is a device for turning coffee into theorems.
Asked for a testimony to the effect that Emmy Noether was a great woman mathematician, he said: I can testify that she is a great mathematician, but that she is a woman, I
cannot swear.
by G Gorkenheimer April 06, 2006

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