Gasterbator

Someone who likes to fart excessively while masterbating to enhance their pleasure. Usually someone who enjoys anal sex.

Manifold is a gasterbator. He eats lots of beans at least 1 hour beforehand.

by Jeff Gasshole Thompson March 12, 2009

Gaster Sans

Sexiest skeleton ever, resembles W.D. Gaster and loves his kitty cat.

Oh look, that guy is a total Gaster Sans to his girlfriend

by JustAnotherKiller:) October 11, 2016

Gasterfingers

Gasterfingers is a way to describe something that is interesting. Or if you can’t find a word to describe something.

This information is very gasterfingers.

Or
That’s quite gasterfingers.

by Maurice<3 September 10, 2023

Fasterous Gasterous Crinkle

A phrase used to describe a misunderstanding of either song lyrics or song title with the use of a voice activated smart device (e.g Google home)

I just wanted to play a song and Google told me what it was playing, I though it got it wrong, I totally fasterous gasterous crinkled that bitch

by Lil Mitch LOL November 22, 2020

Malek Gastli

Malek Gastli Means being very childish and mentally challanged.
It also can be used to describe someone who tries so hard but always fails.

-OMG you are so Malek Gastli
-I know I'm so retarted

by Eya Dz December 23, 2021

Yara Gastel

ice spice looking ass
...like?

Yara Gastel is such an ice spice copy

by Itchy scratch 123 March 20, 2023

Gaster Asster

The gluteus maximus of Gaster from the game undertale . used as a joke to express sexual attraction towards the character.

person 1: i find Gaster attractive..
person 2: so does that mean you like his Gaster asster?

by songtune May 20, 2016