In 2005 I waited in line behind some kids from the Duct Tape Bandits (467). From what I gathered, it seems that someone had squirted a mayonaise packet into one of their duct tape helmets, which the kid not realized until after he put on his helmet.
I've always enjoyed the awkward post-autonomous apologies when a robot does something it was "definitely not supposed to do." They were especially common last year with that those line penalties