Green’s Dictionary of Slang

waka blonde n.

[‘the reference derives from Whakarewarewa wahines, the Rotorua Maori women observed by tourists’ MacGill, Reed Dict. N.Z. Sl. (2003)]

(N.Z.) a derog. term for a Maori woman.

[NZ]McGill Dict. of Kiwi Sl. 121/1: waka blonde a Maori woman; offensive.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].