pūkanakana
1. (verb) to stare wildly, dilate the eyes - done by both genders when performing haka and waiata to emphasise particular words.
Ara mai ana ngā taua a ētahi hapū noa atu, tū ana ki runga pūkanakana ai ngā karu me te whētero te arero, tūpeke ngā waewae, aroarohaki ngā ringaringa (TWMNT 30/11/1875:283). / Hostile bands of other distant subtribes rise up, dilating their eyes, protruding their tongues, jump about and their hands tremble.