Verb: (with or without object)
1. To deliver a sharp, foceful blow with one's fist to another person or object. This terminology originates from a witnessed record setting punch that was delivered to an arcade style punching bag which records punch strength in pounds per square inch. At this time, it was a record by more than 66 p.s.i Those in attendance were in such awe that they use the term "866" to describe any forceful blow or punch that, before this event, was beyond description.
"I am deeply concerned that my Regional Manager will 866 me if I fail to reach my sales quota"