Big Brother Contestant 

1) An exhibitionist and self-important grandiose person who cheapens the human race simply by existing.

2) Someone who is incredibly vapid and has no concept of reality or offers any kind of discernible value to society.

3) A cunt.

So named because of the antics of contestants of the UK version of the "popular" Channel Four reality television programme of the same name.

1) Person One: I've just applied to go on Big Brother so I can spout my half baked political philosophies and act like a tit by having a temper tantrum or being racist the name of entertainment. Oh, and I have a wacky name like Gizmotech or DJ Baztarrd.

Person Two: Oh, for fuck's sake.

2) Person One: I want to earn a soft porn modelling contact, bag a footballer and attempt to live off my grossly distorted peception of my own beauty for the rest of my life.

Person Two: As oddly eloquent as that sentence was, I think your best bet is to become a Big Brother Contestant. Or kill yourself. Now.

3) Person One: I just pushed that old lady in front of that bus then pimp slapped the taste from out of that small child's mouth.
Person Two: You're such a Big Brother Contestant.

Big Brother Contestant by TheBionicMan July 30, 2009

Wadsworth Constant 

The Wadsworth Constant is the fundamental idea that the true meaning of a video, conversation, or comment approaches importance after approximately 30% of it has been skipped over.

The above definition, for instance, has 180 characters. After applying the Wadsworth Constant, we skip over 52 characters (29%). The definition now reads,
"the true meaning of a video, conversation, or comment approaches importance after approximately 30% of it has been skipped over."

Wadsworth Constant by ShigalHammoud October 2, 2011

Karpathy Constant 

The Karpathy constant is one of the best learning rates for the popular Adam (deep neural network) optimizer. It is defined as η = 3e-4. The actual symbol for the constant is α_k.

What is the correct learning rate for adam in this case?

Just use the Karpathy constant dude

Karpathy Constant by WonderingNeuron November 23, 2017

Jens's Constant 

The result when summing all the divisors of the numbers from 1 to 9. Seems to be a fundamental constant of nature, since it occurs many times on the Internet.

Youtube Poll:
69% yes
31% yesn't
Jens's Constant, nice ( ͡° ͜ʖ ͡°)

Jens's Constant by sevenfour March 2, 2021

Bulgarian constant 

Basically anything which makes your result correct. (In Bulgaria they call this "coefficient of adjustment".)

your actual result × Bulgarian constant = expected result

Bulgarian constant by tomask July 7, 2021

contextation 

an extended texting session between two people substituting for a real conversation.

dude 1: I had a serious contextation with Mary last night.

dude 2: Really! What did y'all discuss?

dude 1: The Relationship of course. Guess I'm monogamous now. We wound up texting all night.

contextation by no1sandman November 7, 2010

Minecraft universal constant

This number is a gigantic number coined by Austin from "The Science" series of Game theorists youtube channel . It is the number of all permutations in all minecraft worlds. Its value is 10^10^10^1.3134

Hey, did you see the mind boggling gigantic number, The minecraft universal constant, that Austin from the game theorists calculated.

Minecraft universal constant by LORD ASHU December 10, 2020