1. A hit song by Katy Perry
2. Someone supposed to bring about the apocalypse
3. Someone who is unnoticed but shocks everyone with a great performance.
2. Someone supposed to bring about the apocalypse
3. Someone who is unnoticed but shocks everyone with a great performance.
When he won at Watkins Glen, AJ Allmendinger went from dark horse to recognized road course specialist.
by fajlkg sdfjkldfs ;jksaj djdfk; November 10, 2014

To Dark-Horse (verb)
To act in a sly or secretive manner, rarely letting others know what you're doing, where you're going, or who you're going with.
Being a very shady character, and being quite quiet are essential to perfecting this action.
A good poker-face is obligatory, of course.
To act in a sly or secretive manner, rarely letting others know what you're doing, where you're going, or who you're going with.
Being a very shady character, and being quite quiet are essential to perfecting this action.
A good poker-face is obligatory, of course.
I saw Ryan buy 4 different cards for Valentines Day, he is such a Dark-Horse, i never know what he's up to.
by Herr Gilbert February 14, 2012

One who keeps himself or his aims hidden. Keeping things secret, or concealed even seemingly pointless secrets they can be referred to as a dark horse when the interest, relationship, or action is revealed. Perhaps surprising, unexpected, even vaguely scandalous.
"Did you hear Dick won a mountain biking race?"
"Wow! What a dark horse, I thought he was a couch potato!!!"
"Trent has a new hot younger girlfriend, they were keeping it secret because he's her dad's friend"
"What a dark horse!!!"
"Wow! What a dark horse, I thought he was a couch potato!!!"
"Trent has a new hot younger girlfriend, they were keeping it secret because he's her dad's friend"
"What a dark horse!!!"
by Ms Marple September 16, 2021

The dark horse was trying to throw everybody that wasn't herself off to win at any cost. None of them knew the race was already thrown.
by Solid Mantis February 4, 2021

The dark horse spent her life trying to throw everyone else off, to win at any cost to everybody else. Most of them did not know that life was thrown already.
by Solid Mantis February 5, 2021

A pretty awesome comic book company, responsible for all the Star Wars comic books and graphic novels, among others.
by Escalus September 19, 2005

A sexual act where one naked man sits on another mans hairy back in the riding position and jerks him off from underneath, and just before climaxing the 'horse' is forced to neigh and the 'jockey' shits all down his back, making a tail.
by JohnEBlaze August 2, 2009
