go postal
idiom
US, informal
: to suddenly behave in a very violent or angry way
She suddenly went postal and started yelling at the customers.
If he calls me this late again, I'm going to go postal on him.
Dictionary Entries Near go postal
Cite this Entry
“Go postal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20postal. Accessed 4 Jun. 2023.
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