Postal

/ˈpoʊ.stəl/

Synonyms

  • mail
  • courier
  • dispatch
  • postal service

Slang Meanings

To become extremely angry or upset, often in a volatile manner.
When he found out about the lie, he went postal.
To act irrationally or violently, often due to frustration.
She was so stressed out with work that she almost went postal.