I mean, I think retarmus means that something is so retarded that you can't pronounce retard right because that thing is so retarded that it made you retarmus. That's what I think of when I call something retarmus, at least.

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.