dodraibeid

Go Postal: goe-POSE-tuhl v. To suffer a psychotic break resulting in violent, often deadly outbursts.
Origins: From the latter part of the 20th century, when it was not uncommon for postal workers to become dissatisfied with their positions and murder several of their co-workers in a sudden burst of rage. This attitude was always and without fail described as 'disgruntled.'

Disgruntled: dis-GRUN-tuhld adj. Discontented.
Origins: From the latter part of the 20th century, when the news media needed to make up a word to describe how postal workers felt when they murdered their co-workers in a sudden burst of rage.