An even larger idiot or menace than a shit head, as his head rests up that which is shit.
Look at that group of shit necks...I'd like to knock them out.
by slickster September 18, 2003
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a shit neck is simply, a person with shit as their neck.
Look at that shit neck (hurnt), his meat stinks, and he's nasty.
by Rennard Skynard November 6, 2007
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Rockabilly types who have taken the tattooing very very far.So far, it has run up their necks. Usually with the stereotypical "swallows", "nautical stars" or.. "your X's name"

When Social D was playing Street Scene this year, the
Shit Necks were out in full force!
Man, His neck has so much shit on it!
by aGGona November 28, 2007
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tohave sexual relationinthe anus
She had sex and shit on his neck.
by Chico December 8, 2004
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As can be gathered from the expression, it indicates a state of intense anger and annoyance, so much so that the person making the threat is ready, willing and able to inflict physical pain and degradation upon the person who has annoyed them. While it may not literally result in the removal of the offenders head and defecating into the stump, it will usually result in physical violence and a humbling of the person who caused the offence.
The expression that is believed to have originated with the British Royal Navy. It gradually became used within all branches of the armed forces and later spread to the civilian organisations associated with them before obtaining wider usage.
by AKACroatalin March 19, 2015
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"You know that one quote you always hear in hardcore songs? 'rip off your head and shit down your neck', it's from Full Metal Jacket, a movie by Stanley Kubrick"
by Nekir January 7, 2012
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A person, or entity, seperates your head from your body and thereafter takes a dumb that glides down your neck.

From the Duke Nukem game, said by Duke Nukem (ingame character).
I'll rip your head off and shit down your neck!
by Nicolai Thomsen January 25, 2009
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