(Hawai'ian Pidgin ) Translates as "Do it again" ; "One more time".
An appreciative response to an event: usage similar to "Bravo". Often as an exclamation.
Can be ironic.
Speaker One: "Ehhhh, look, Haole back da rent-a-van into da shave ice place.."
Speaker Two: "Whaaat..look, now he goin' hit that park car."
Speaker One: "Hana hou, bruddah!"
When your having a great time,Dancing, Drinking, Partying with friends, and then, BAM!
You dissappear like a whirlwind, out the door and to the closest bed.