1. Nonsense; Gibberish. Something that's unintellible, incomprehensible or makes no sense, often made so to confuse.

2. A lie propagated by superstition or deception.
Bloody explorers, ponce off to Mumbo Jumbo land, come home with a tropical disease, a suntan and a bag of brown lumpy things, and Bob's your uncle, everyone's got a picture of them in lavatory.

- Edmund Blackadder
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1. Saying stupid things
2. Saying confusing things
3. Saying annoying things
I am getting sick of all your mumbo-jumboness!

Your mumbo-jumboness is making is pissing me off.

Your mumbo-jumboness is driving me crazy.
by monkeyman40210 April 18, 2009
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the best YouTuber ever (in my opinion) he plays Minecraft hermitcraft he also makes a lot of Minecraft Redstone videos
person 1: are you subscribed to mumbo jumbo?

person 2: no.
person 1: why go ahead and subscribe.
by mumbo jumbo huge fan October 22, 2020
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slang term for black-people-speak
i can't understand the mumbo jumbo of that NBA all-star.
by Crasist September 29, 2009
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The act of taking your fingers, putting them in all different directions, then sticking it up a womans vigina
Bro, last night i gave Ashley a mumbo jumbo
by mike wethington June 13, 2007
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