whakapau. 1. v.t. Consume, finish, leave no exception.
2. Exhaust. Ka titiro atu, whakapaua te kanohi (M. 11). Taku whakapaunga mahara tera (That is the spot the sight of which leaves me at a loss).
3. a. Exhaustive. Kia tu tahi taua i te riri whakapau kei o matua (M. 23).
Williams Dictionary