The full usage is now commonly considered passé. Currently, in Long Beach, sauce is an acceptable description of something thats shitty. It is interesting that G Love's "sauce" was a good thing and it has in fact become a polar term.
person B: it's worse than sauce, that shit had me urinating out my asshole all night.
Person A: I think it's their enchilada sauce (unrelated).
Your Face is weak sauce.