Meaning of bejesus

be•je•sus

Pronunciation: (bi-jē'zus, -jā'-), [key]
— interj.
  1. (used as a mild oath expressing dismay, anger, or the like).
—n.
  1. dickens; devil; deuce: The conglomerate plans to take that tiny company and expand the bejesus out of it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.