Undertale Effect

When a video game becomes popularly hated due to its fandom as opposed to the game itself. Part of cringe culture. Often results in a hatewagon.

"Let's play Fortnite!"
"Eugh, why Fortnite? That game sucks. The community is filled with whining kids."
"Didn't you have the same reaction to Undertale? It was a good game but the community ruined it? Isn't most Fortnite hate just another Undertale effect?"

by JTIG22 August 30, 2018

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Undertale Community

The perfect place to find all your favorite Undertale characters making out.

Did you see that great Toriel X Sans image in the Undertale Community? No, I only saw the "You're gonna have a bad time meme.

by pppom May 5, 2016

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Undertale Multiplayer

A cool Undertale FanGame which has a Discord server where you ask for the game and get banned.

Guy: Hey, when is the Undertale Multiplayer coming out?
Mod: get banned lol

by EDolphin March 2, 2021

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Commit a undertale

Basically jumping off of a ledge to your death

I swear if Sans gets into smash, I will commit a undertale

by WilliamXu210 August 29, 2022

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Undertale Fanbase

Young lunatics that have way too much time to draw rule 34 of their favorite undertale characters. They don't go outside much and skip school to masturbate to their trash undertale porn.

Guy : I saw someone from the Undertale Fanbase outside, unbelievable.

by Demofisher January 1, 2022

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Beef Undertale

The most British of all Brits, possessing the floofiest of hairs and the largest love for dinosaurs on this planet. Suspected to be a werewolf and despises being called a furry.

Also the mother of Hyde (the one from the ITV show).

It's Beef Undertale!

I heard Beef Undertale hates being called a furry.

by JonTron's Scissorman September 10, 2018

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