an excruciatingly pleasureful yet taxing homosexual act in which both participants are simultaneously gagged and resemble the headless horseman mounted on his bucking bronco
Neil: Great headless horseman last night. You make one hell of a stallion.

Bob: Make me your pony slut.
by Boner Jones!! February 27, 2011
Get the headless horseman mug.
a guy who is doomed to roam the earth looking for some head which he has sadly never gotten

a close but slightly more sad cuzin of a perma-virgin
person1:why is he talking to them fat chix...
person 2:hes a headless horseman...hes trying to find some head so his soul can rest
by Bigeast 34 March 13, 2006
Get the headless horseman mug.
The extremely rare occurance of a penis with no head.
What? Do you have a hydra?
No..its headless horseman.
by Scotsburn July 29, 2009
Get the Headless Horseman mug.
An alcoholic mixed drink invented in San Francisco which combines one part straight Jameson and one part straight Jack Daniels. "Headless" because you have to be stupid to order it and "horseman" because you need to be able to have the tolerance of a horse to drink it.
"Bartender, I'd like one headless horseman please"
"You seriously want me to mix jack Daniels and Jameson?"
by Halbert9000 September 6, 2017
Get the Headless horseman mug.
The act of vigorously fucking the empty sleeve of one's winter coat, often leather. In the act of Armless Horsemaning the person usually ejaculates into the sleeve of said winter coat.
My roommate just did The Armless Horseman into my new leather jacket!
by PerkinsHadSexWithFiala December 15, 2010
Get the The Armless Horseman mug.
The disappearance of the head due to the act of shoving it up a vagina.
I dove my head in vertical and performed the Headless Horseman.
by Goods and Wares May 11, 2006
Get the Headless Horseman mug.