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
Person 2: He’s a real tubby custard
Person 1: no he’s more than that he’s a gloopster