the.com/haka

a war cry so loud it makes 80,000 people whisper.

means A traditional Māori group performance combining vigorous chanting, foot-stamping, body-slapping, and fierce facial expressions, used to mark occasions ranging from welcome to challenge.

from From the Māori word 'haka,' meaning a posture dance with chant. It belongs to the broader Polynesian language family, where related dance-and-chant traditions appear across the Pacific. Though the word entered wider global awareness through New Zealand rugby teams performing it before matches, the haka itself long predates that stage — it was woven into Māori life as ceremony, greeting, and the working-up of courage and unity, not merely as intimidation.

not just rugby: Maori perform haka for funerals, weddings, welcomes
many versions: hundreds exist, each tribe with its own
ka mate: composed by a chief hiding from enemies in 1820
women too: haka was never exclusively a male tradition
the tongue: poking it out signals defiance, not rudeness

for instance

all blacks haka — new zealand rugby team performs ka mate before every test match since 1884