Definitions by NeRdYmAn0880

Mathturbation 

Masturbating to some math, ie, Algrbra, Trigonometry, calculous, ect. Ususally for nerds, or when you cum while doing a complex math problem

John preformed mathturbation during his math final today

Mathturbation by NeRdYmAn0880 August 1, 2007