butter-and-egg man

[buht-er-uh n-eg]
noun Older Slang.
  1. a prosperous businessman from a small town or a farmer who spends his money ostentatiously on visits to a big city.

Origin of butter-and-egg man

An Americanism dating back to 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018