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Category theory

Category theory, *very basically*, is the study of functions. ANY functions. ANYTHING that changes some object to another object is fair game here. Because of this FUNDAMENTAL property of "changing stuff into other stuff" being everywhere (lambda calculus, programming, normal math functions, even) it can reason about MANY disciplines of math, programming, and even language! So basically, it's universal tools for many things. Pretty useful! :)
My buddy has a PhD in pure mathematics and says.. "Studying category theory is like eating your vegetables." Not sure what that means but it has never left my mind. // Also it is technically composition not functions but shh we don't want to scare away the people who just saw this definition straight away
by mb6fbhsphdrcb April 23, 2025
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whats your favorite porn category

the question that i ask everyone, and it got my crush to hate me...
Me: hey whats your favorite porn category

My crush: WHAT!?
by Lazar Blade September 27, 2021
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Out-of-category

The expression used when something / someone cannot be categorised within a ranked category due to its awesomeness. Can also be abbreviated as OOC.
That car is out-of-category fast!", "That chick is out-of-category hot!
by Boemelaar November 9, 2010
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Ball Category

Testicles come in few shapes, more sizes and even more levels of maintenance and cleanliness. Balls have been arranged into categories by people who care about what they put in their mouths. They are defined as follows

Category 1- The creme de la creme of bollocks. Tight, defuzzed, cleaned with some kind of soap and good sized.

Category 2- Trimmed, wiped with a wet flannel and either slightly large or slightly small. A slight smell of sweat is OK, terrible smell will shunt you down to category 4.

Category 3- Untamed, lynxed to within an inch of their lives, size indistinguishable under the 'fro.

Category 4- Scrotum appears to have space for at least 4 more testicles, overpowering rank scent of stale sweat and ignorant of all hair removal methods.

Category 5- Alien nards. Something weird or horrifying, like an extra one, or ropey veins all over.
Oh no, I won't be sleeping with Jeff again. He was lurking in ball category 4!
by MagickDio August 20, 2010
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Milk Category

The Milk Category or Anal Milk Category, is an expanse of the human psyche in which the most rampantly fucked up, confuckulated, heavily-medicated, coked-up, what the fuck were you thinkin, holy-motherfucking-shit, and get the fuck outta my face with that shit- thoughts are banished after being spawned from the inner depths of the human soul.

Common subjects usually assigned to the Milk Category are violent beatings, prison rapings, belligerent homosexual ass fucking, skeet, and strangely uncomfortable fucked up and/or confuckulated statements in general.
1) Get the FUCK outta my face with that shit! That's goin in the Milk Category!

2)Why is the Hippo Ass Raping the Hemi in my Dodge Ram 4x4?!!.....Milk...Milk....Milk....
by Dhat Nhu Shyt November 4, 2007
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Super Straight: Category Fit

Super Straight: Category Fit is when a boy likes a female who was born with XX chromosomes and finds their body visually appealing without body shaming.
No example provided. Super Straight: Category Fit is when a boy likes a female who looks visually appealing. And they want mini me’s with that female.
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