Nigger Theory

Nigger theory is the theory of niggers (African-Americans, African-Britons, Black South Africans, Afro-Latin Americans, etc...). First introduced in Colonial Latin America and then popularized in antebellum America the theory encompasses various studies that attempt to understand the behavior and overall nature of niggers.
"Why do black people become so violent and ignorant outside of black African countries? Why do they go from cheerful people in Africa to disrespectful loudmouths once they leave the continent?"

"That's the goal of Nigger Theory, to understand why this happens"
by sendbobsandveganapics April 04, 2020
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Brother-in-theory

A would-be brother-in-law who is in a commited relationship with your sister but isn't legally married to her.

These relatives are awkward to introduce because they're not necessarily your friends, but technically not your relatives either. You don't want to insult him by going into detail about his relationship with your sister in public, but if you call him your brother-in-law, awkwardness might arise when people glance at the non-existent wedding ring.

This also applies to would-be parents and sisters-in-law.
Jack: Hey Ted, why don't you invite your brother-in-theory onto our softball team?

Ted: Are you kidding? Then my father-in-theory's gonna want to join too. There's a reason I didn't marry into that crazy family, ya know.
by Gossip Who? September 13, 2009
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7Day Theory

a great achievement in the game Counter-Strike/also means the 7 Day Theory based on Tupac Shakur-took Tupac 7 days to die, and myth was that he would be back in 7 years(still to be confirmed)
I pulled a 7Day Theory(PWNAGE/l337 move)
by Kyle Varney October 25, 2003
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elbow theory

This is the theory that the average man will judge whether or not to try and sleep with a girl based on her circumference index.

If guy can put his arms around a girl and touch both of his elbows, he will certainly try it on. If not, he will find another girl to test the theory.
I'm going out friday night to test the elbow theory.
by Jmp85uk April 22, 2008
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Queer Theory

Created in the 1990s as a counter or solution to tranditional gender roles. Queer theory revolves around the theory of Gender Identity introduced by behavioral psychologist John Money and Identity politics as a whole. Queer theory explores how gender, sex and sexual orientation interact and are unique to each individual. It uses labels or identities to describe these interactions and attempts to create a more accurate description of individuals and their social roles.
Some people can't fit in the female or male box so queer theory's solution is a unique box for everyone.
by AdultHumanFemale May 21, 2019
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egg theory

Egg theory is the belief that says all femboys and tomboys are transgender. Egg theorists either don't believe in the existence of cis femboys and tomboys, or believe that their gender non-conformity is transphobic, completely unaware of the irony of them policing their gender based on their AGAB. When an egg theorist sees a femboy or tomboy, they try to "crack their egg", which is code for "gaslight and harass them into transitioning to the opposite gender".
Egg theorist: "Astolfo is a trans girl!"
a sane person: "Egg theory solidifies gender binarist stereotypes. Stop supporting egg theory."
by cutesy pastel living doll August 05, 2023
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period theory

The theory stating that if a girl feels comfortable talking about her period to a guy of whom she has no intimate relationship, said guy will not be able to smash.
"Yo Cindy talked to me about her period yesterday" says Sam. "According to the period theory that means you won't be able to smash" says Neal
by Fancy Tampon August 11, 2015
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