Green’s Dictionary of Slang

Taranaki adj.

[Taranaki, an area of the South Island, which has many dairy herds]

(N.Z.) used to imply backwardness, rurality; usu. in combs. below.

J.H. Lyon Faring South 76: Bob related how a row of Maoris would push him off the paths of Wellington’s main streets, and with many insulting gestures, tell him to go to Taranaki, where they said he would be pukaru or finished.

In compounds

Taranaki bullshit (n.) [+ bullshit n. (1)]

(N.Z.) excessive boasting.

[NZ] cited in DNZE (1998) 81/62: St Patrick’s College, Silverstream (Ed.); and also other secondary boarding schools (e.g. Nelson College, p.c. J.H. Brownlee) Taranaki bullshit, applied to skiting or boasting.
[NZ]G. Slatter Pagan Game 69: At Maadi he had [...] read all the good news about Hitler getting the shits, no Taranaki bullshit.
[NZ] McGill Reed Dict. of N.Z. Sl.
Taranaki cow (n.)

1. (N.Z.) a nondescript, inferior cow.

[NZ]N.Z. Observer (Auckland) 5 Sept. 20: ‘The Cow-Spanker Spanked’. Taranaki Cow [...]: ‘Hullo, butterfingers! So I’m not the only one that’s being spanked, eh?
[Aus]Baker N.Z. Sl.
[NZ]McGill Dict. of Kiwi Sl. 112/1: Taranaki cow any nondescript or poorly conditioned cow.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].

2. in attrib. use of sense 1, implying second-rate, inferior.

[NZ]Truth (Wellington) 19 Mar. 5: Hail, Cow! [...] if such are desirable citizens, the Taranaki cow slave-shops will provide any amount of them.
Taranaki sunshine (n.)

(N.Z.) rain or drizzle.

TV1 Network News 4 Jan. p.m. [TV] Taranaki sunshine came down with a vengeance in March [DNZE].
National Radio ‘Country Saturday’ rural programme. 3 Feb. [radio] We’ll leave you with some taranaki sunshine [DNZE].
[NZ] McGill Reed Dict. of N.Z. Sl.

In phrases