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African secret society devoted to ending European rule, 1950, from the Kikuyu language of Kenya.
(also mao-mao) To coerce with rough treatment; terrorize: The pressure ladies half-successfully mao-maoed Communications Minister Francis Fox to censure the offending shows/ I've been a mayor for nine years and I've been Mau-Maued by the best
[1970+; fr the Mau Maus, a terrorist group in Kenya in the 1950s]