Whakapi, v.i. Contort the body and features, as in a haka. Ka turia te haka, ka puta a Tapoto ki mua whakapi ai.—Ka whakapi haere te wero. ‖ whākapakapa.
Williams Dictionary
Kia ea rā te mate ngarengare, ka puta ai ki mua whakapī ai.When defeat of the troublesome one is avenged, then one can dance in jubilation.