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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an old term meaning: to get to where they're going before they even know what the fuck you are doing
if i cut across the grass then i can head em off at the pass
by awesome24678 June 15, 2011
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When you take a 35mm film canister of the movie "Lucky Number Slevin", and unravel the film to a confortable length in between your two fists, and then you use the sharp edge of the fimstock to slice someone else's head off their body.
Hey Bobby, look what that man over there is doing. He is Slevening a head clean off!
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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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When you take a cell-phone antenna and overcharge your mouth with it until it blows the top of your noodle clean off your neck-gizzard-hole. Cannot be done with antenna-less cellphones. Science of the surge is undetermined but might draw from plate tectonics.
Maytal: Did you buy that surge protector at Home Depot?

Skeleton-Boy: No, I just finished surging a head clean off though with my antenna. Your head.

Maytal's corpse: Oh. Ow.
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it means masturbating commonly used by the Scottish comedian

Kevin Bridges
There was a Scottish bloke just ripping the head off it in the hotel lobby.
by Contra1947 May 5, 2016
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January 20th, the day the Ozzy Osbourne bit the head off a bat. Why don't you join him in the yearly feast.
Dude, did you know that it's national bite the head off a bat day?

No I didn't, I need to break into the bat roost to prepare the feast.

Ozzy didn't bite that bat for nothing you know!
by BatBiter99 May 23, 2023
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