<P> Going postal is an American English slang phrase referring to becoming extremely and uncontrollably angry , often to the point of violence , and usually in a workplace environment . The expression derives from a series of incidents from 1986 onward in which United States Postal Service ( USPS ) workers shot and killed managers , fellow workers , and members of the police or general public in acts of mass murder . Between 1970 and 1997 , more than 40 people were killed by current or former employees in at least 20 incidents of workplace rage . Between 1986 and 2011 , workplace shootings happened at roughly 2 per year , with an average of 12 people killed per year . </P>
<P> Going postal is an American English slang phrase referring to becoming extremely and uncontrollably angry , often to the point of violence , and usually in a workplace environment . The expression derives from a series of incidents from 1986 onward in which United States Postal Service ( USPS ) workers shot and killed managers , fellow workers , and members of the police or general public in acts of mass murder . Between 1970 and 1997 , more than 40 people were killed by current or former employees in at least 20 incidents of workplace rage . Between 1986 and 2011 , workplace shootings happened at roughly 2 per year , with an average of 12 people killed per year . </P>
where does the expression going postal come from
where does the expression going postal come from
a series of incidents from 1986 onward in which United States Postal Service ( USPS ) workers shot and killed managers , fellow workers , and members of the police or general public in acts of mass murder
a series of incidents from 1986 onward in which United States Postal Service ( USPS ) workers shot and killed managers , fellow workers , and members of the police or general public in acts of mass murder