To go apeshit with pure hatred and blind anger, termed after workplace shootings perputrated by postal service / mail service employees. Going postal involves taking a firearm to place of work or anywhere and just unloading into everything in sight.
*gunfire in workplace*
*secetary bolts through office door*
Secretary : "TERRY'S FINALLY DONE IT, HE'S DECIDED TO Go Postal!"
*screams in hall outside door as boots stomp down hall*
Boss : "shit lol"
by grandest of autismo April 22, 2021
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When somebody gets really pissed and acts out in violence. They might push someone's head through a wall.
Addison is going postal and she is about to throw a punch at Timmy.
by mcnuggetdestroyer January 3, 2018
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Someone who can't stop posting on Facebook.
Dude, I've posted like 5 times today on Facebook, I think I'm going Postal.
by bunnylips November 3, 2011
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When you can't afford buying something you really want, and pitch a fit.
Alicia's broke, so she's going postal again....
by Emmi-chan June 17, 2005
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Recklessly posting memes that violates rules in a discord server, such as in posting NSFW, or Politically Incorrect memes.
Person 1: Did you see that moron that just kept posting memes that violated the rules on our server despite us asking for him to stop ?
Person 2: Yeah, he was Going Postal on Memes.
by postalfanthe1 February 11, 2023
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I have just watched Brooklyn 9-9, and the postal worker there going postal was hilarious.
by Dr.Levo August 19, 2023
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