"Hey mom! I failed my maths test."
"Omg you're such a Niller."
by mah niggger February 16, 2017
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A less recognized, but more acute diagnosis of a "vanillaface" affected by some personality disorder suggesting, but not limited to, the participation in activities prominently attributed to African-Americans and/or the belief that he/she has African heritage and is black. This is a term describing mental illness and is not to be confused with the derogatory term "wigger".
SON: Yo ma, i gots sum to tell ya'll.
MOTHER: Yes, sweetie?
SON: The doc says my nigga self is niller.
MOTHER: Oh my God! Is it contagious?

OR

I hate those damn nillers.
by Mack B May 21, 2008
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literally Nigger Killer but the N & K change their places
"prepare 2 die u fk blac pee-pole cuz ima Kigger Niller"
"oh boi i frikin hate Kiggers, im will try 2 become a Niller 2 da Kiggers"
"bruh"
by Petersays:IHateNiggers June 11, 2020
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