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1.
Made famous by Shawn Spencer of Psych, "jujumagumbo" is something that is completely extreme! Most often used in negative context, it can, however, be either good or bad. When it is used negatively, it is often preceded by "dark" or similar adjectives. Used in a positive way, it should follow "awesome", "amazing", etc.
That's some dark jujumagumbo! (Negative, obviously)
by LordOfTheFlame March 10, 2010
 
2.
when something crazy happens and you cant find something besides awsome or wow
thats some crazy juju magumbo
by awsome pants January 13, 2008