Ngaoko, v.i. 1. Feel a tickling sensation, itch. Taukahore te ngaoko o te tuiau !
2. Move slightly, stir. Te ngaoko, te aha, ko te tumu kau ano ki a ia (T. 15).
whakangaoko, v.t. Tickle, amuse. Korero i ta korua whakangaokooko (Go on with yo entertaining talk).
‖ ngōko, whaoko.
Williams Dictionary