👉 "Fusty" is a slang term that refers to someone who has a limited or shallow understanding of something. It's often used to describe someone who lacks knowledge, enthusiasm, or interest in something. For example: - "He didn't understand why I was so excited about the new book he was reading." - "She had difficulty understanding the complex mathematical equations he was explaining." In this context, "fusty" is a term that conveys a negative sentiment towards someone who lacks knowledge or
