Poster

Someone who spends all their time online posting on social media. Their main apps are usually Twitter or Instagram stories.

Hey do you follow @JUNIPER on twitter?

Yeah, they’re a true poster.

by nocloxt July 5, 2023

Poster Syndrome

The reluctance to post on social media, specifically LinkedIn based on an irrational fear of making a fool of yourself.

Person 1: "Your take on the metaverse is so spot on, you should post it on LinkedIn.@
Person 2: "Thank you, I would but I a have a bad case of poster syndrome"

by accidentallygenius July 20, 2022

French poster

A staunch feminist, referring to French posters in the 1960s targeting Algerian women to unveil themselves.

John: "Check this tweet out by a feminist, she says women with veils are backwards!"
Josh: "Typical French poster behaviour."

by YourLocalBrownie June 12, 2023

StarSeed-Schizo Shit-poster

Tristan is a crazy ex lover who is obsessed with anime and the art of war. Meanwhile the twin flame sits in agony pondering what life could've been. His days grow old yet time grants him immortality.

That StarSeed-Schizo Shit-poster likes to watch memes and ignore reality while plotting the demise of the outside realm.

by anonymous April 1, 2024

random poster

someone who posts random stuff on platforms like youtube whenever they want

Aron is a random poster

by stewpid89words October 7, 2025

Poster Club

Poster Club is the best club at West Seattle High School. On Thursdays, they meet in the Library at lunch and room 202 after school. They also have free cookies.

Scholar 1: "Are you going to Poster Club today?"
Scholar 2: "Of course, who isn't?"

by Poster Club November 21, 2021