Go Postal
Posted by englishlessons on March 13, 2006
Definition: Act out in an angry way, especially in an outburst of violence
Examples:
I got a really negative reaction. He went postal in the meeting.
Did you read the newspaper? Some guy went postal and shot his co-workers.
Source:
Using idioms in conversation demonstrates mastery of a foreign language. Idioms in English shows you how to use stress in sentences in order to pronounce an idiom in a sentence like a native speaker.