mouthturbation 

Euphemism for auto-fellatio

I'm so bendy, I can even bend over and engage in mouthturbation

mouthturbation by EvilMar July 20, 2011

Mathturbation 

(n.) The act of deriving equations just for the sake of deriving them, at no apparent gain to the student.
In verb form, to mathturbate is to perform such menial mathematical labor.
mathturbatory: characterized by excessive mathturbation

"The professor spent three hours deriving the equation on the board because he thought it would help us understand the concept better; really, however, he just confused us with his senseless mathturbation."

"The homework problem required hours of mathturbation, with the end result being a simple identity that appears in the index of every text."

Mathturbation by D. S. A. September 22, 2007

Mouthterbating 

Slang for autofellatio, or when you masturbate with your own mouth.

Last night I was mouthterbating. My mouth still tastes salty!

Mouthterbating by Mouthterbating August 30, 2014

Mathturbation 

Thinking about Math at an irrelevant time. Most often done first thing in the morning, late at night, or occasionally while on the toilet.

Carter was mathturbating in the shower early in the morning.

When Hannah was in History, she was so bored that she used mathturbation to relieve her stress.

After another lonely night, Justin mathturbated before going to sleep and was able to escape into a world of reals and dreams.

Mathturbation by Mathturbator34 October 23, 2012

Mathturbation 

The math you do as a republican to make yourself feel better.

Mathturbation: What Megyn Kelly told Karl Rove when Fox News Called the race for Obama. (see youtube video "Math you do as a republican")

"Dude, did you see Karl Rove last night totally Mathturbate himself last night with his white board right before President Obama was re-elected."

"Yeah, He was really going at it with his magical white board"

Mathturbation by FactsMatter(except FAUX NEWS) November 15, 2012

mathturbation 

What pseudoscientists, cranks and charlatans use to "prove" their self-indulgent theories.

The nutjob used mathturbation to show that the Bible contains an encrypted message warning of the September 11th attacks.

mathturbation by AbnormalBoy December 2, 2004

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