Pronunciation: (mum'bō jum'bō), [key]
—pl. mum•bo jum•bos.
1. meaningless incantation or ritual.
2. senseless or pretentious language, usually designed to obscure an issue, confuse a listener, or the like.
3. an object of superstitious awe or reverence.
4. (caps.) the guardian of western Sudan villages symbolized by a masked man who combats evil and punishes women for breaches of tribal laws.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.