Green’s Dictionary of Slang

bambooing n.

[the bamboo cane employed; despite Hotten, the citations seem SE]

a thrashing, a whipping.

[UK]Morn. Chron. (London) 30 Sept. 1/5: This caning or bambooing is exercised in mannner that would satisfy even the greatest Parliamentary advocate for the flogging system.
[Ire]Kings Co. Chron. (Offaly, Ire.) 47 Sept. 4/3: He generously offered [...] to inflict any punishment they pleased upon the culprits, from docking their [pig]tails to bambooing them to death.
[UK]Leeds Times 23 Apr. 7/5: Flogging, bambooing , and putting in irons are common punishments in Coolie ships.
[UK]Hotten Sl. Dict.