What the Hell?

What I can't figure out is the point of this. The deer has a bullseye on it - should I shoot at it? Why is it waving its arms? Or is it pointing to its nether regions in a crude gesture of defiance?
I don't know if you can see it, but the deer is tethered to some power source within the truck, so the truck owner had to install the deer, run the cable, plug it in, and presumably NOT have an outlet to light his Marlboro Reds-in-the-box. If it were me, any giggly glee I felt at the prospect of displaying such a monstrosity would have been stamped out by the mere thought of the process of installation.