1. A name for a professional who is completely incompetent in his field. (ie an accountant in rural Kansas)
2. A tiny penis.
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.
or
My piss knuckle hurts when I pee.
by derikny2 August 3, 2010

An accidental action that occurs when butt wiping. Usually occurs when one unknowingly has clogged the toilet, wipes his arse, and accidentally touches the water with one's knuckles.
I didn't know the toilet got clogged after my courtesy flush, so when I wiped my ass, I did a knuckle dip.
by Paulkout December 7, 2020

The act of vigorously scrubbing one's anus, usually with hot soapy water, to clean it of leftover fecal matter. It is more a practical technique than a pleasurable one, although some people find it serves the dual purpose.
The toilet paper at the resort was of poor quality so I had to hop in the shower and do a quick knuckle scrub before going to dinner.
by Diarrhea Farmer January 12, 2015

by hairy knuckles June 11, 2006

A form of measurement used to determine the size or width of a vagina or anus, or the act of inserting fingers into said orifices. Preceded by a number which indicates how many knuckles.
---It still has not been determined if fisting someone is considered 4 or 5 knuckles deep, as the debate contiunes if the thumb counts as a knuckle
---It still has not been determined if fisting someone is considered 4 or 5 knuckles deep, as the debate contiunes if the thumb counts as a knuckle
"So last night I was two knuckles deep in this chick's ass..."
"Her pussy was three knuckles deep--pretty impressive."
"Her pussy was three knuckles deep--pretty impressive."
by Kevin Kugler March 11, 2006

An individual with an unusual amount of hair growing on the tops of the hands and between the knuckles of the fingers.
This phrase is used almost exlusively by nobody anywhere.
This phrase is used almost exlusively by nobody anywhere.
by circus vargas December 1, 2004

Trucker's Knuckles refers to a severe case of multiple, external anal hemorrhoids that are raging and irritated and have a thrombosed clot under the skin causing a hard, painful lump appearing like the knuckles on a hand. Trucker's Knuckles often occur regularly to those individuals employed in long haul, over the road, driving professions.
Stan: Hey Frank. Are you heading on that haul from Chicago to L.A?
Frank: Yea and not looking forward to it.
Stan: Why?
Frank: I got the worst case of Trucker's Knuckles. Take a look. (Drops pants).
Stan: Holy Shit. Looks like a tiny fist down there. Better get some salve before you hit the road.
Frank: Yea and not looking forward to it.
Stan: Why?
Frank: I got the worst case of Trucker's Knuckles. Take a look. (Drops pants).
Stan: Holy Shit. Looks like a tiny fist down there. Better get some salve before you hit the road.
by Eaton Holgoode April 15, 2014
