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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He says get these mother fucking snakes off this mother fucking plane in a very aggressive way so it is really funny.
by teepee997 November 08, 2010
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When someone has done something highly embarassing, but it is equally as hilarious. Has its origins in the British tv show, "I'm Alan Partridge".
A: Hey, John just ran into that big pole over there!
B: You've gotta laugh when you fall off your sofa!
by cubey4000_the next generation November 19, 2006
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man drives right off a fucking bridge
Man: Sometimes it's hard to resist the urge to drive right off a fucking bridge HHHhahaha oh look there's one
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An indication of genuine, but not extreme, shock or surprise. Best said in a Southern accent.

More savvy users can infuse the phrase with sarcastic meaning, as a variant of "Duh!"
Well chop off my head, and shit down my neck!
by mbryo_ January 24, 2011
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