mumbo-jumbo

noun

1. 1

   A deity or other supernatural being said to have been worshipped by certain West African peoples; an idol.

2. 2

   Any object of superstition; religious words and/or actions which are seen as superstitious or fraudulent.

   “Rev. Quack's healing services are little more than mumbo jumbo.”

3. 3

   (by extension) Any confusing or meaningless speech; nonsense, gibberish.

   “Football lingo is mumbo jumbo to me.”