Once these Zombie pranksters start getting shot and assuming room temperature you’ll see this kind of prank drop.
OTOH, ImprovEverywhere just published their latest public prank called “Car Alarm Symphony.”
http://www.youtube.com/watch?v=FvfVMJZfojs&feature=em-uploademail
It’s all funny until someone turns around and shoots this idiot.
Or some UFC fighter/ Marine breaks his arm then chokes him out.