British guy takes retired race horse for a ride, doesn't end well

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Don't take a retired race horse out for a trot unless you're ready to ride.

Nick Bull has learned this lesson on all of our behalf, graciously posting video of his harrowing experience with former race horse Shamrock on YouTube for our benefit.

"Shamrock is a retired race horse," Bull explained.

"On this day, he forgot he was retired, or that I'm not that experienced a rider and decided to take me for the ride of my life.

"Please excuse the bad language and girly screams at the end."

Bull's film, titled Woah Shamrock! Retired race horse bolts and unseats rider was shot entirely on a GoPro and features some very well-timed sounds effects and image cutaways.

The stunning short has shot to viral fame, notching up nearly 70,000 views since the weekend.

It starts off with what looks like a pleasant canter, but what unfolds is some delightfully British cursing and shouting.

At one point it seems as if he's trying to reason with the beast, but Shamrock obviously isn't interested.

So he proceeds to repeatedly say "woooooah" in a hilarious tone.

But the only thing that was effective for was making us laugh, and the horse ran on until Bull slams into the ground.

And in case you were concerned, Bull has assured us he was uninjured.