juju /ˈd͡ʒuːd͡ʒu/ noun5 •A fetish or charm believed by West Africans to have magical or supernatural powers. •The magical or supernatural power of such a charm.They are believed to be "Ju-Ju" or were-leopards, and in this guise to roam through the forest in bands, bent on evil and destruction. — 1936 •(informal) The (usually negative) karmic consequences of an action or behavior.That's some bad juju. •A genre of popular Nigerian music that comes from traditional Yoruba percussion traditions. •(slang) A marijuana cigarette; a joint.‘I knew a guy once who smoked jujus,’ she said. ‘Three highballs and three sticks of tea and it took a pipe wrench to get him off the chandelier.’ — 1940 formsjujus