A racial term used towards African Americans to skirt around the use of the 'N word'. Used by cowards who want to get away with racial insensitivity and use it as a way to justify themselves so they can still sleep at night. Originates from the term white slave owners would use to reference the black slaves they forced into bare knuckle brawls with each other for entertainment.
Racist Guy: Can't believe that knuck knuck took my lunch money!
Racially Tolerant Guy: Dude, you can't say that! That is incredibly racist!
Racist Guy: I am so sorry. I did not realize the connotations that phrase holds. I will strive to be better. Thank you for educating me.
by JustOneRealCoolDude July 10, 2020
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Name given to a person who the does one of the dumbest fucking things you've ever seen. Originated from a kid named Miles "O'Shaugnessy" Mohay and the theft of the word Knuck Knuck from some kid's big brother. One can also "Knuck Fuck", the extreme connotation of the word.
Ho-ly Shit, EJ is the biggest Knuck Knuck O'Shaugnessy I have ever seen.

I'd have to say Mandi is definetly a Knuck Knuck O'Shaugnessy...she lived her entire life thinking blinkers were called "tinkees"...she stupid, but she's hot.
by Brodie Holden December 22, 2004
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A person who is a bit of a dick. The kind of person who would fart in an elevator as he leaves or eat the last slice of pizza, even after eating most of it, before others arrive to have their first piece.
Who ate all the pies?

Oh, that was Lachlan

But I didn't get any!

Yeah, What a Wankle Mc Knuck Knucks.

True Dat
by NZAP 9041 November 23, 2011
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