nibakabaka

Bingham: Hiram Bingham, A Gilbertese-English Dictionary (1908, 1953). American Board of Commissioners for Foreign Missions.
Sabatier: Ernest Sabatier, M.S.C., Dictionnaire Gilbertin-Français (1954), translated by Sr. M. Oliva as Gilbertese-English Dictionary (1971). South Pacific Commission Publications Bureau.

Bingham

nib'ákab'aka

vi. to fall again and again as an intoxicated person trying to walk.

n. the repeated falling as of an intoxicated person.

nibakabaka

n. the act of stumbling,... staggering,... falling over.

a. unsteady.

v. to stumble, to trip, to falter.

vc. kanibakabaka: to make...