Sounds like a dangerous approach to a dog especially in Jamaica. I have known some people who have used that same approach with a firearm and more than a few had an experience where that didn't work so well.
It has been my observation concerning the interactions with people and dogs in Jamaica that a lot of Jamaicans run and the dogs will often chase them until they stop and pick up a rock or at least pretend they have a rock and make like they are going to fling it. Some dogs didn't get the memo, I guess, because they often ended up biting them.