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1.
A descriptive noun referring to a person who regularly takes credit for other people's innovation, ideas, or work. Used as a verb, Kadingus is generally shortened to Kading.
That freaking kadingus keeps taking my ideas!

or

You always kading everything I do.
by Eyemarten December 28, 2004
 
2.
A large sore on the tip of a penis.
"Hey Bill, hows that kadingus doing on your dinger, did it go away yet?
by thebee December 28, 2004