wendigo psychosis UK /ˈwɛndɪɡəʊ saɪˈkəʊsɪs/US /ˈwɛndiɡoʊ saɪˈkoʊsɪs/ noun1 •A psychological condition specific to some Native American groups, in which a person in fever-induced delusions believes that they are possessed by a cannibalistic wendigo spirit, or in which members of the groups hysterically believe a person to be so possessed.
