Rangitoto yank, n. — Green’s Dictionary of Slang

Rangitoto yank n.

also Rangitoto yankee

[Rangitoto, an island in Auckland harbour + yank; i.e. the supposedly Americanized city]

(N.Z.) a derog. term for an Aucklander.

1984		D. More postcard DNZE (1998) 657/2: (Waihi). The Rangitoto Yanks.–S. Island name for Aucklanders, c1960–70 .
1988		McGill Dict. of Kiwi Sl. 91/2: Rangitoto Yankee Aucklander, allegedly of the brash imitation American variety, equivalent of Fitzroy Yank in Melbourne, Woolloomooloo Yank in Sydneyland.
1992		Metro (Auck.) Oct. 56: Not for me a bout of fisticuffs when provoked by the natives of Canterbury bleating, ‘Our power keeps you Rangitoto yanks afloat’ [DNZE].
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].