Gloopist 

Being a member of the religion "Gloop" based around the famous cat Instagram user "babbyguavaandfriends"

"Hey man are you apart of a religion? Yea I'm a Gloopist!"

Gloopist by Gloop Pope January 27, 2021

Gloopster 

Taken from the name Augustus Gloop from Willy Wonker a gloopster is a fat or tubby person (UK)

Person 1: Look at that fat cunt over there
Person 2: He’s a real tubby custard

Person 1: no he’s more than that he’s a gloopster

Gloopster by Ispeakengland July 25, 2023