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1.
The branch of mathematics that is applied when working on convoluted theories of everything and hipster sums, such as string theory and the P = NP problem, respectively. Mathematicians and Scientists who work within the field of Mushroom Mathematics employ a number of techniques, including, but not limited to: pulling Greek letters out of a hat, pin the equation on the blackboard, spin the number-wheel, and automatic writing. Typically, numerous narcotics will also be used to aid in the 'calculations'. These include magic mushrooms, LSD, and cannabis.

Proponents of Mushroom Mathematics include Stephen Hawking and Michio Kaku.
"I decided to work within the field of Mushroom Mathematics, due to my lack of proficiency in regular mathematics, particularly drawing triangles and counting."
by Minotawr October 11, 2011