Sounds odd doesn't it? It refers to the headless horseman character in the film Sleepy Hollow, but basically it is another one of these photo crazes similar to planking.
When planking, one lies flat, face down on the ground with their arms straight by their sides resembling a plank of wood. A cracking example of planking can be found here.
Back to horsemanning... this requires at least two people. One person hides their body and the other person hides their head, making it look like a person has been decapitated with their head on display elsewhere.
It sounded funny so here at Xorg HQ we decided to give it a go, roping in some help from long time ally Chamberlain Inc. Here's what we gots...