The term "butter-and-egg man" originated in the early 1900s and became popularized during the jazz age. It referred to a wealthy individual who would visit rural areas and purchase large amounts of butter and eggs to sell in the city. Synonyms for this term include "big spender," "fat cat," "high roller," and "moneybags." These words are often used to describe someone who is financially successful and enjoys spending their wealth on extravagant purchases. While the term "butter-and-egg man" may no longer be commonly used, its synonyms continue to be relevant in describing those who are wealthy and flaunt their financial status.