To be so intoxicated that when you take a crap your knuckles interfere with the wiping process.
Last night, the boys and I all got absolutely shit knuckled.
by Dispenser November 19, 2015
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someone who does nothing. Sits around all day with their thumb up there ass to the knuckle.
Paul: Hey Todd, did you get that work done that you were supposed to do?

Todd: Aww, meant to, but didn't get around to it yet, sorry dude.

Paul: Yur a fuckin shit knuckle Todd, get to work!
by hecklndecalr March 19, 2010
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A bump protruding from a log of shit resembling a knuckle. Shit knuckle.
by Andrew X January 26, 2005
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when you wipe your ass and miss hitting your knuckles instead....you get shit knuckle brown
by Tigerlily73_99 July 31, 2009
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To have a moment or point in your life when you are considered an idiot. A.K.A. dumb ass. Comes from the 2 terms knuckle head, and dumb shit.
1. I can't believe you didn't shift out of first gear after proceeding 100 miles an hour, you're a knuckle shit!

2. Josh-"Did you guys drill the hole out for the waterfall bolts on tower 13 yet?"
Bobert-"No, not yet."
Josh-"Well, now you've gotta go drill that hole out even though I told Randy I would do it, you fuckin' knuckle shit!"
by The man from the lene November 7, 2007
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Its when you wipe your ass after a particularly filthy dump and you get a shit stain your thumb knuckle.
I was pleased to finally get the key to the executive wash room, however Stan Phillips was not pleases to see that I had a shit stained thumb knuckle when I shook his hand at the share holder meeting.
by jim dandyy May 19, 2011
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