Meaning of butter-and-egg man

but'ter-and-egg' man"

Pronunciation: (but'ur-un-eg'), [key]
— Older Slang. Older Slang.
  1. a prosperous businessman from a small town or a farmer who spends his money ostentatiously on visits to a big city.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.