1 definition by derikny2

1. A name for a professional who is completely incompetent in his field. (ie an accountant in rural Kansas)

2. A tiny penis.
That damned piss knuckle did my taxes, and now I'm being audited by the IRS.

or

My piss knuckle hurts when I pee.
by derikny2 August 3, 2010
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