(especially among white New Zealanders) a name for the Maori religious movement Pai Marire.
Example sentencesExamples
In 1864 the religious cult of Pai Marire, or Hau-hauism, gained many adherents among the belligerent tribes and gave a fanatical savagery to the renewed conflict.
The fight at this place was well-nigh the end of Hau-hauism, for the British bullets laid low many a misguided enthusiast who relied on the prophet's promise of invulnerability.
Origin
From the Maori war cry of Hau! Hau!, from hau 'strike'.