The phrase "shoddy fever" refers to a state of being obsessed with or preoccupied by counterfeit or low-quality goods. However, there are various synonyms that can be used to convey this concept. For instance, one could use terms such as "fraudulent fixation", "bogus obsession" or "counterfeit mania" to describe this condition. Alternative phrases like "inferior frenzy" or "knockoff fervor" could also capture the essence of being consumed by substandard products. It is important to remember that these synonyms serve to express the negative fascination with shoddy items, emphasizing the dissatisfaction that arises from seeking imitations or false bargains.