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1.
Word most commonly used in Coal Region Pennsylvania. Means "fucker" or "dick" in a sarcastic way.
"C'mon man stop being a kud'nu and help me carry these boxes
by Twiliprince6 August 21, 2010
 
2.
An extremely stinky, fetid vagina.
Everything was going great until I took her pants off and her kud'nu smelled like a dumpster.
by Senior Maiz November 29, 2011