Definition
The frantic deletion of a message from a chat or forum within seconds of sending it—hopefully before anyone witnessed your embarrassing typo or hot take.
Example Usage
I accidentally sent that weird message to the work Slack but thankfully I could unpost it immediately.
Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=To%20unpost&defid=11631719)
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See “To unpost” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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