from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. Informal To attack or denounce vociferously, especially so as to intimidate: "In years past, [the civil rights leadership] ... would mau-mau the government or the corporate sector or the white community” ( Joseph Perkins).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To menace through intimidating tactics; to intimidate, harass; to terrorize.
After the Mau Mau, a secret society of Kikuyu terrorists that led a rebellion against the ruling Europeans in Kenya in the 1950s, from Kikuyu mau-mau, sound of the voracious gobbling of a hyena.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Mau Mau, the name of a group of anti-British insurgents in Kenya, who were noted in Europe for their (alleged) extreme violence and brutality. (Wiktionary)