Gavster 

A lil pussy bitch who streams who nobody knows twitch.tv/gavsterzz what a lil pussy bitch

“You hear about gavster”
“Who”
“Gavster”
“Have no clue”

Gavster by Gavstersapussy August 7, 2022

gavster 

an annoying guy who ruins all the fun

Person 1:that guy is such a gavster
person 2;i know right

gavster by GuayandoLol August 25, 2022

gavster 

an annoying guy whoo ruins all the fun

Person !: that guy is such a gavster

gavster by GuayandoLol August 25, 2022

gavster win 

when an incredible dub occurs. often when you achieve something awesome you exclaim: gavster win.

the origin of the term "gavster" is relatively unknown. usage of the word seems to date back to florida in 1969.

just had sex with my wife... call that a gavster win!

gavster win by sauceblaster69 June 26, 2020

Bruton Gaster 

From the USA Network TV Series Psych. Burton "Gus" Guster's name spelled incorrectly by a museum

And you must be Bruton Gaster.
Burton. Guster. It is Burton Guster.

Bruton Gaster by smoshme July 17, 2011

Gaster 

Nightmare fuel

I know he isn't that scary, but Gaster's been haunting my nightmares since 2015.

Gaster by HotHotLegg April 11, 2020

gaster 

It's a secret!
But no seriously, Gaster is a secret character from the game UNDERTALE. Said to be Sans and Papyrus' dad. Well, it's not confirmed, but he may be. He speaks in WingDings too.

Undertale Fan: I FOUND THE SECRET GASTER!!!

gaster by SkyBerry June 5, 2016