what you say when you're walking away to take a piss.
I'm gonna go talk to a man about a horse. I gotta talk to a man about a horse.
by knightmare36 November 30, 2007
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Used by males to politely excuse themselves to the washroom for "number one" purposes.

While reinforced by both of these examples:

"Any general business that needs attending to that you may not care to discuss whith the present party.
We can meet for lunch on Tuesday, since I'll be in the area; I have to see an man about a horse.
by moth17 Jul 5, 2005"
"2. see a man about a horse 271 up, 73 down"
A discreet way to leave the table at a restaurant to go to the restroom; derived from a 1940's black-and-white film (sorry, cannot recall the name) where an actor literally says it as he leaves a table to see a man at another table about a horse.
"Excuse me, I have to see a man about a horse."

The origins date back to the days of the "Not-Quite-So-Wild-Yet-Still-Wild Enough Old West". When at the local drinking establishment (read at the Saloon) the horse trough was closer to the entrance of the building (usually directly attached) than the outhouses which were generally situated out back. And thus a slang term was born. And of course MOST people had enough common decency to only use the trough for number one.
Excuse me, I suddenly feel the urge to see a man about a horse.
by Stalik May 25, 2011
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Technically a saying you’re father would say when he goes to do something that is none of you’re business or he will when you ask his business
What are you doing dad can I come with, no son I’m going to talk to a man about a horse
by Novanityboy September 13, 2022
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From old spagetthi westerns, where one would "see a man about a horse" when his needs for urinating became to high.
by frakk April 1, 2004
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