Sans undertale

A skeleton based character from the indie video game Undertale, developed by Toby Fox, that is apparently a meme.

“Sans undertale is highly popular amongst many Undertale fan girls”

by Kioki Isumie July 13, 2019

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 02, 2022

Undertale haters

Retarded people playing their shitty Call of Duty all day long and hates good games.

Friend 1: Hey, you wanna come over and play some Undertale?

Friend 2: Nope, im getting double xp on Call of Duty. Undertale is shit.

Friend 1:, Fuck you, youre just one of almost no one undertale haters.

by AsrielDreemurr#1 February 05, 2017

story of undertale

1. a fucking terrible song that should be forgotten or 2. a person who is a piece of shit

1 i like story of undertale - *gets shot in the head
2 bob: dude stop being a story of undertale and get over here

by PikaboyMOD February 05, 2022

An Undertale Fan

Someone you should never associate yourself with.

Nobody:
Literally Nobody:
An Undertale Fan:
Everyone Else: ;-;

by SarcasticSackO'Crap May 30, 2019

The Undertale Effect

By listening to undertale ost's your vrt increases by 100% causing you to get good kovaak's scores. Often people confuse it with 𝓪𝓲𝓶𝓫𝓸𝓽*.

*𝓪𝓲𝓶𝓫𝓸𝓽- a bot that aims.

Me: oh you got a good score on arc dodge switch?
My friend: yeah i used the undertale effect.
Me: oh that makes sense now

by Saltcult February 09, 2021

Playing Undertale

Playing undertale is a term used for a form of homosexual intercourse, in which the dominant male forces their hand fully into the "underground", another term for the other mans asshole.

Hey man, we're playing undertale tonight.

by ReimuSEES February 14, 2021