go postal

to suddenly become violent or angry I don't think anybody is going to come in to work and go postal on me.

Etymology: based on an event in which an employee of the US Postal Service shot and killed other workers

See also: postal

(American very informal)

to become very angry, or to suddenly behave in a violent and angry way, especially in the place where you work

Usage notes: This idiom started when a post office worker in America shot several of the people he worked with.

My Mom will go postal if I get home late. When she heard she'd been fired she went postal and started throwing things around the office.

See also: postal

in. to become wild; to go berserk. He made me so mad I thought I would go postal.

See also: postal

Slang To become extremely angry or deranged, especially in an outburst of violence.

See also: postal

Name	Pronounced	Usage
Ailsa	-	Scottish
Izem	-	Northern African, Berber
Jolyon	-	English (Rare)
Praveena	-	Tamil, Indian, Telugu, Malayalam, Kannada, Marathi
Dacre	-	English (Rare)
BuĞRa	-	Turkish