kekekeke
1. (verb) to chatter, make a confused noise (of the jaw, teeth, etc.).
Kua puta te korekē kei waho e tū mai ana; kua tōia mai te tatau o te whatitoka, o te pihanga, karatiti rawa; kekekeke noa, whakarongo ana mai i waho (TP 1/1913:1). / The fellow had come outside and was standing there, having pulled the door and window shut, pegging it securely, and there was a confused noise as he listened outside.
Kua kekekeke ngā kaewae i te māeke (HJ 2012:273). / The jaws are chattering with the cold.