Top Definition
When a disgruntled, highly mentally unstable, or just plain wierd office worker goes into his place of employment and starts shooting up the office, usually with a semi-automatic weapon. This used to be very common amogst postal workers. Some people have actually done this at an ex-lover's workplace after a bad breakup. Most causes involve a series of frustrating events that go on for years and then one horrible event or day sets some poor motherfucker off the deep end.
After he got fired and lost his house last week, Jim went to the Corporate shooting range and killed some lawyers.
by rKrDuDe265 December 15, 2009

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