Noun, usually refers to a person who gets triggered when a social media post is refuted or pointed to errors (grammar and spelling errors excluded
You are a posthole. Get your facts right.

You are a posthole. Google before you post and embarrass yourself
by JayPKal April 4, 2019
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Ian: Why is Chris walking funny?
Joesph: He's been hanging around with a posthole digger
by KrizT February 17, 2014
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