Basically it's a pokefag, but for Bakugan fanboys.

A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.

A weirdo that stans Bakugo in the anime. My Hero Academia (MHA)

Somehow their taste has become so skewed they think he’s a good character.