Chungus

Chungus is an internet slang term used to describe something or someone that is extremely large or overweight in a humorous or exaggerated way. It is often used to poke fun at the size or weight of an object, person, or character.

Examples:

1. John ate such a huge burger that we started calling him Burger Chungus.

2. The cat on the internet with its chubby body and fluffy cheeks became an instant hit, and people began referring to it as the Chungus Cat.