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 4, 2020
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Why some black people talk so loud.

The invisible black friend that is standing at least 20-30 feet away from another black person, justifying the fact that they seem to be practically screaming while talking to a visible person in arms reach.
Man I could hardly hear you at the bar, it was the invisible nigger theory in full effect

When you're at the market and two black girls are in line next to you talking so loud that you want to cover your ears, they're just trying to make sure that their invisible friend can hear them.
by locell2 April 20, 2009
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When one nigger runs, all the other niggers within a 20-meter radius also run because they assume a white police officer is chasing him.
Bob: "Why do all niggers run together even though none of them committed a crime? It takes fucking forever to sort them out at the police station and half the time we just charge all of them with rape."

John: "Thats the relative motion nigger theory in full effect."
by March 11, 2022
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