In South America, a "saco de wasted" is a saco de huevas ('sack of balls' in english) that is wasted. Instead of the usual "saco de huevas" (which means an extremely stupid and egocentric guy), this stupid mf is wasted.

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.